56515656102 has 16 divisors (see below), whose sum is σ = 115163979120. Its totient is φ = 18483107552.

The previous prime is 56515656101. The next prime is 56515656149. The reversal of 56515656102 is 20165651565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56515656101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88860777 + ... + 88861412.

It is an arithmetic number, because the mean of its divisors is an integer number (7197748695).

Almost surely, 2^56515656102 is an apocalyptic number.

56515656102 is an abundant number, since it is smaller than the sum of its proper divisors (58648323018).

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

56515656102 is a wasteful number, since it uses less digits than its factorization.

56515656102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177722247.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 56515656102 in words is "fifty-six billion, five hundred fifteen million, six hundred fifty-six thousand, one hundred two".