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56652997 = 229247393
BaseRepresentation
bin1101100000011…
…1010011000101
310221121021022011
43120013103011
5104000343442
65342134221
71255354042
oct330072305
9127537264
1056652997
1129a85265
1216b81371
13b9776ab
14774a1c9
154e91117
hex36074c5

56652997 has 4 divisors (see below), whose sum is σ = 56900620. Its totient is φ = 56405376.

The previous prime is 56652983. The next prime is 56653013. The reversal of 56652997 is 79925665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79925665 = 515985133.

It can be written as a sum of positive squares in 2 ways, for example, as 52330756 + 4322241 = 7234^2 + 2079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56652997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56652997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56652917) 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, 123468 + ... + 123925.

It is an arithmetic number, because the mean of its divisors is an integer number (14225155).

Almost surely, 256652997 is an apocalyptic number.

It is an amenable number.

56652997 is a deficient number, since it is larger than the sum of its proper divisors (247623).

56652997 is a wasteful number, since it uses less digits than its factorization.

56652997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247622.

The product of its digits is 1020600, while the sum is 49.

The square root of 56652997 is about 7526.8185178068. The cubic root of 56652997 is about 384.0675630721.

The spelling of 56652997 in words is "fifty-six million, six hundred fifty-two thousand, nine hundred ninety-seven".

Divisors: 1 229 247393 56652997