56649106802 has 54 divisors (see below), whose sum is σ = 90280421127. Its totient is φ = 26658561600.

The previous prime is 56649106781. The next prime is 56649106823. The reversal of 56649106802 is 20860194665.

It is an interprime number because it is at equal distance from previous prime (56649106781) and next prime (56649106823).

It can be written as a sum of positive squares in 5 ways, for example, as 1273133761 + 55375973041 = 35681^2 + 235321^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=168299.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 636506774 + ... + 636506862.

Almost surely, 2^56649106802 is an apocalyptic number.

56649106802 is a deficient number, since it is larger than the sum of its proper divisors (33631314325).

56649106802 is an frugal number, since it uses more digits than its factorization.

56649106802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 56649106802 in words is "fifty-six billion, six hundred forty-nine million, one hundred six thousand, eight hundred two".