56650551566610 has 64 divisors (see below), whose sum is σ = 147733866270720. Its totient is φ = 13850049954240.

The previous prime is 56650551566561. The next prime is 56650551566611. The reversal of 56650551566610 is 1666515505665.

It is a super-2 number, since 2×56650551566610² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (56650551566611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1602997372 + ... + 1603032711.

It is an arithmetic number, because the mean of its divisors is an integer number (2308341660480).

Almost surely, 2^{56650551566610} is an apocalyptic number.

56650551566610 is an abundant number, since it is smaller than the sum of its proper divisors (91083314704110).

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

56650551566610 is a wasteful number, since it uses less digits than its factorization.

56650551566610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206030143.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 56650551566610 in words is "fifty-six trillion, six hundred fifty billion, five hundred fifty-one million, five hundred sixty-six thousand, six hundred ten".