55566051 has 16 divisors (see below), whose sum is σ = 78407040. Its totient is φ = 34905600.

The previous prime is 55566031. The next prime is 55566053. The reversal of 55566051 is 15066555.

It is not a de Polignac number, because 55566051 - 2⁶ = 55565987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55566053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8476 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (4900440).

Almost surely, 2^55566051 is an apocalyptic number.

55566051 is a deficient number, since it is larger than the sum of its proper divisors (22840989).

55566051 is a wasteful number, since it uses less digits than its factorization.

55566051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55566051 is about 7454.2639475672. The cubic root of 55566051 is about 381.5954412409.

The spelling of 55566051 in words is "fifty-five million, five hundred sixty-six thousand, fifty-one".