55825858 has 32 divisors (see below), whose sum is σ = 98350848. Its totient is φ = 23481600.

The previous prime is 55825843. The next prime is 55825871. The reversal of 55825858 is 85852855.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21591 + ... + 24037.

It is an arithmetic number, because the mean of its divisors is an integer number (3073464).

Almost surely, 2^55825858 is an apocalyptic number.

55825858 is a deficient number, since it is larger than the sum of its proper divisors (42524990).

55825858 is a wasteful number, since it uses less digits than its factorization.

55825858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538.

The product of its digits is 640000, while the sum is 46.

The square root of 55825858 is about 7471.6703621078. The cubic root of 55825858 is about 382.1892513637.

The spelling of 55825858 in words is "fifty-five million, eight hundred twenty-five thousand, eight hundred fifty-eight".