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1055560055 = 511142313487
BaseRepresentation
bin111110111010101…
…001000101110111
32201120020000011212
4332322221011313
54130210410210
6252424152035
735105053364
oct7672510567
92646200155
101055560055
114a1921990
1225560861b
1313a8c1264
14a029146b
1562a08805
hex3eea9177

1055560055 has 16 divisors (see below), whose sum is σ = 1382897664. Its totient is φ = 767083680.

The previous prime is 1055560021. The next prime is 1055560057. The reversal of 1055560055 is 5500655501.

It is not a de Polignac number, because 1055560055 - 218 = 1055297911 is a prime.

It is a super-2 number, since 2×10555600552 = 2228414059423206050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055560057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71522 + ... + 85008.

It is an arithmetic number, because the mean of its divisors is an integer number (86431104).

Almost surely, 21055560055 is an apocalyptic number.

1055560055 is a deficient number, since it is larger than the sum of its proper divisors (327337609).

1055560055 is a wasteful number, since it uses less digits than its factorization.

1055560055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 1055560055 is about 32489.3837276117. The cubic root of 1055560055 is about 1018.1872374298.

The spelling of 1055560055 in words is "one billion, fifty-five million, five hundred sixty thousand, fifty-five".

Divisors: 1 5 11 55 1423 7115 13487 15653 67435 78265 148357 741785 19192001 95960005 211112011 1055560055