56558053 has 4 divisors (see below), whose sum is σ = 57003520. Its totient is φ = 56112588.

The previous prime is 56558039. The next prime is 56558059. The reversal of 56558053 is 35085565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35085565 = 5 ⋅7017113.

It is a cyclic number.

It is not a de Polignac number, because 56558053 - 2⁹ = 56557541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56558059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222543 + ... + 222796.

It is an arithmetic number, because the mean of its divisors is an integer number (14250880).

Almost surely, 2^56558053 is an apocalyptic number.

It is an amenable number.

56558053 is a deficient number, since it is larger than the sum of its proper divisors (445467).

56558053 is a wasteful number, since it uses less digits than its factorization.

56558053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445466.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 56558053 is about 7520.5088258708. The cubic root of 56558053 is about 383.8528918750.

The spelling of 56558053 in words is "fifty-six million, five hundred fifty-eight thousand, fifty-three".