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56557052 = 2215790059
BaseRepresentation
bin1101011110111…
…1110111111100
310221102101200122
43113233313330
5103434311202
65340114112
71254504236
oct327576774
9127371618
1056557052
1129a1a172
1216b35938
13b942b16
147723256
154e729a2
hex35efdfc

56557052 has 12 divisors (see below), whose sum is σ = 99606360. Its totient is φ = 28098096.

The previous prime is 56557043. The next prime is 56557057. The reversal of 56557052 is 25075565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56557057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44402 + ... + 45657.

It is an arithmetic number, because the mean of its divisors is an integer number (8300530).

Almost surely, 256557052 is an apocalyptic number.

It is an amenable number.

56557052 is a deficient number, since it is larger than the sum of its proper divisors (43049308).

56557052 is a wasteful number, since it uses less digits than its factorization.

56557052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90220 (or 90218 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 56557052 is about 7520.4422742283. The cubic root of 56557052 is about 383.8506273050.

The spelling of 56557052 in words is "fifty-six million, five hundred fifty-seven thousand, fifty-two".

Divisors: 1 2 4 157 314 628 90059 180118 360236 14139263 28278526 56557052