56475155 has 16 divisors (see below), whose sum is σ = 74131200. Its totient is φ = 40961760.

The previous prime is 56475121. The next prime is 56475187. The reversal of 56475155 is 55157465.

It is not a de Polignac number, because 56475155 - 2⁶ = 56475091 is a prime.

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, 22976 + ... + 25314.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 2^56475155 is an apocalyptic number.

56475155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56475155 is a deficient number, since it is larger than the sum of its proper divisors (17656045).

56475155 is a wasteful number, since it uses less digits than its factorization.

56475155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its digits is 105000, while the sum is 38.

The square root of 56475155 is about 7514.9953426466. The cubic root of 56475155 is about 383.6652604964.

The spelling of 56475155 in words is "fifty-six million, four hundred seventy-five thousand, one hundred fifty-five".