56507053 has 4 divisors (see below), whose sum is σ = 56525148. Its totient is φ = 56488960.

The previous prime is 56506991. The next prime is 56507057. The reversal of 56507053 is 35070565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35070565 = 5 ⋅7014113.

It can be written as a sum of positive squares in 2 ways, for example, as 47155689 + 9351364 = 6867^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 56507053 - 2²⁵ = 22952621 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 (56507057) 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, 3028 + ... + 11053.

It is an arithmetic number, because the mean of its divisors is an integer number (14131287).

Almost surely, 2^56507053 is an apocalyptic number.

It is an amenable number.

56507053 is a deficient number, since it is larger than the sum of its proper divisors (18095).

56507053 is a wasteful number, since it uses less digits than its factorization.

56507053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18094.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 56507053 is about 7517.1173331271. The cubic root of 56507053 is about 383.7374801661.

The spelling of 56507053 in words is "fifty-six million, five hundred seven thousand, fifty-three".