56345661510 has 32 divisors (see below), whose sum is σ = 141109136640. Its totient is φ = 14372226528.

The previous prime is 56345661481. The next prime is 56345661511. The reversal of 56345661510 is 1516654365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56345661511) 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 15 ways as a sum of consecutive naturals, for example, 40829500 + ... + 40830879.

It is an arithmetic number, because the mean of its divisors is an integer number (4409660520).

Almost surely, 2^56345661510 is an apocalyptic number.

56345661510 is an abundant number, since it is smaller than the sum of its proper divisors (84763475130).

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

56345661510 is a wasteful number, since it uses less digits than its factorization.

56345661510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81660412.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 56345661510 in words is "fifty-six billion, three hundred forty-five million, six hundred sixty-one thousand, five hundred ten".