56516660551510 has 8 divisors (see below), whose sum is σ = 101729988992736. Its totient is φ = 22606664220600.

The previous prime is 56516660551487. The next prime is 56516660551531. The reversal of 56516660551510 is 1515506661565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825833027566 + ... + 2825833027585.

It is an arithmetic number, because the mean of its divisors is an integer number (12716248624092).

Almost surely, 2^{56516660551510} is an apocalyptic number.

56516660551510 is a deficient number, since it is larger than the sum of its proper divisors (45213328441226).

56516660551510 is a wasteful number, since it uses less digits than its factorization.

56516660551510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5651666055158.

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 56516660551510 in words is "fifty-six trillion, five hundred sixteen billion, six hundred sixty million, five hundred fifty-one thousand, five hundred ten".