Search a number
-
+
55791054 = 232112312251
BaseRepresentation
bin1101010011010…
…0110111001110
310212222110221100
43110310313032
5103240303204
65311443530
71245134064
oct324646716
9125873840
1055791054
1129546710
12168265a6
13b735277
1475a4034
154d70a39
hex3534dce

55791054 has 48 divisors (see below), whose sum is σ = 137614464. Its totient is φ = 16170000.

The previous prime is 55791013. The next prime is 55791091. The reversal of 55791054 is 45019755.

It is a super-2 number, since 2×557910542 = 6225283412861832, 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 23 ways as a sum of consecutive naturals, for example, 1572 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (2866968).

Almost surely, 255791054 is an apocalyptic number.

55791054 is an abundant number, since it is smaller than the sum of its proper divisors (81823410).

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

55791054 is a wasteful number, since it uses less digits than its factorization.

55791054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293 (or 12290 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 55791054 is about 7469.3409347813. The cubic root of 55791054 is about 382.1098109968.

The spelling of 55791054 in words is "fifty-five million, seven hundred ninety-one thousand, fifty-four".

Divisors: 1 2 3 6 9 11 18 22 23 33 46 66 69 99 138 198 207 253 414 506 759 1518 2277 4554 12251 24502 36753 73506 110259 134761 220518 269522 281773 404283 563546 808566 845319 1212849 1690638 2425698 2535957 3099503 5071914 6199006 9298509 18597018 27895527 55791054