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1055550054 = 2313191315437
BaseRepresentation
bin111110111010100…
…110101001100110
32201120012111110110
4332322212221212
54130210100204
6252424033450
735105012256
oct7672465146
92646174413
101055550054
114a1915419
12255602886
1313a8b9840
14a028b966
1562a05889
hex3eea6a66

1055550054 has 64 divisors (see below), whose sum is σ = 2411861760. Its totient is φ = 305285760.

The previous prime is 1055550037. The next prime is 1055550071. The reversal of 1055550054 is 4500555501.

It is an interprime number because it is at equal distance from previous prime (1055550037) and next prime (1055550071).

It is a super-2 number, since 2×10555500542 = 2228371832998805832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191424 + ... + 196860.

It is an arithmetic number, because the mean of its divisors is an integer number (37685340).

Almost surely, 21055550054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055550054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205930880).

1055550054 is an abundant number, since it is smaller than the sum of its proper divisors (1356311706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055550054 is a wasteful number, since it uses less digits than its factorization.

1055550054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 1055550054 is about 32489.2298154327. The cubic root of 1055550054 is about 1018.1840217837.

The spelling of 1055550054 in words is "one billion, fifty-five million, five hundred fifty thousand, fifty-four".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 131 247 262 393 494 741 786 1482 1703 2489 3406 4978 5109 5437 7467 10218 10874 14934 16311 32357 32622 64714 70681 97071 103303 141362 194142 206606 212043 309909 424086 619818 712247 1342939 1424494 2136741 2685878 4028817 4273482 8057634 9259211 13532693 18518422 27065386 27777633 40598079 55555266 81196158 175925009 351850018 527775027 1055550054