56501506510 has 32 divisors (see below), whose sum is σ = 108507291552. Its totient is φ = 21108771840.

The previous prime is 56501506487. The next prime is 56501506513. The reversal of 56501506510 is 1560510565.

It is a super-3 number, since 3×56501506510³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501506513) 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, 1246287 + ... + 1290826.

It is an arithmetic number, because the mean of its divisors is an integer number (3390852861).

Almost surely, 2^56501506510 is an apocalyptic number.

56501506510 is a deficient number, since it is larger than the sum of its proper divisors (52005785042).

56501506510 is a wasteful number, since it uses less digits than its factorization.

56501506510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537268.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 56501506510 in words is "fifty-six billion, five hundred one million, five hundred six thousand, five hundred ten".