56558153 has 2 divisors, whose sum is σ = 56558154. Its totient is φ = 56558152.

The previous prime is 56558143. The next prime is 56558171. The reversal of 56558153 is 35185565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 3952144 = 7253^2 + 1988^2 .

It is a cyclic number.

It is not a de Polignac number, because 56558153 - 2²⁰ = 55509577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56558123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28279076 + 28279077.

It is an arithmetic number, because the mean of its divisors is an integer number (28279077).

Almost surely, 2^56558153 is an apocalyptic number.

It is an amenable number.

56558153 is a deficient number, since it is larger than the sum of its proper divisors (1).

56558153 is an equidigital number, since it uses as much as digits as its factorization.

56558153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90000, while the sum is 38.

The square root of 56558153 is about 7520.5154743541. The cubic root of 56558153 is about 383.8531181044.

The spelling of 56558153 in words is "fifty-six million, five hundred fifty-eight thousand, one hundred fifty-three".