56551610611610 has 32 divisors (see below), whose sum is σ = 103250299681152. Its totient is φ = 22296923732160.

The previous prime is 56551610611609. The next prime is 56551610611619. The reversal of 56551610611610 is 1611601615565.

It is not an unprimeable number, because it can be changed into a prime (56551610611619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6047012 + ... + 12233951.

It is an arithmetic number, because the mean of its divisors is an integer number (3226571865036).

Almost surely, 2^{56551610611610} is an apocalyptic number.

56551610611610 is a deficient number, since it is larger than the sum of its proper divisors (46698689069542).

56551610611610 is a wasteful number, since it uses less digits than its factorization.

56551610611610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285398.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 56551610611610 in words is "fifty-six trillion, five hundred fifty-one billion, six hundred ten million, six hundred eleven thousand, six hundred ten".