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56552055 = 3572323417
BaseRepresentation
bin1101011110111…
…0101001110111
310221102010211120
43113232221313
5103434131210
65340035023
71254453540
oct327565167
9127363746
1056552055
1129a1643a
1216b32a73
13b940771
1477214c7
154e71270
hex35eea77

56552055 has 32 divisors (see below), whose sum is σ = 107910144. Its totient is φ = 24727296.

The previous prime is 56552039. The next prime is 56552077. The reversal of 56552055 is 55025565.

It is not a de Polignac number, because 56552055 - 24 = 56552039 is a prime.

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, 9294 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (3372192).

Almost surely, 256552055 is an apocalyptic number.

56552055 is a deficient number, since it is larger than the sum of its proper divisors (51358089).

56552055 is a wasteful number, since it uses less digits than its factorization.

56552055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23455.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 56552055 is about 7520.1100390885. The cubic root of 56552055 is about 383.8393221538.

The spelling of 56552055 in words is "fifty-six million, five hundred fifty-two thousand, fifty-five".

Divisors: 1 3 5 7 15 21 23 35 69 105 115 161 345 483 805 2415 23417 70251 117085 163919 351255 491757 538591 819595 1615773 2458785 2692955 3770137 8078865 11310411 18850685 56552055