56610844455 has 64 divisors (see below), whose sum is σ = 99425304576. Its totient is φ = 27277776000.

The previous prime is 56610844421. The next prime is 56610844457. The reversal of 56610844455 is 55444801665.

It is not a de Polignac number, because 56610844455 - 2¹² = 56610840359 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56610844457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20880550 + ... + 20883260.

It is an arithmetic number, because the mean of its divisors is an integer number (1553520384).

Almost surely, 2^56610844455 is an apocalyptic number.

56610844455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56610844455 is a deficient number, since it is larger than the sum of its proper divisors (42814460121).

56610844455 is a wasteful number, since it uses less digits than its factorization.

56610844455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 56610844455 in words is "fifty-six billion, six hundred ten million, eight hundred forty-four thousand, four hundred fifty-five".