56302553 has 4 divisors (see below), whose sum is σ = 57675828. Its totient is φ = 54929280.

The previous prime is 56302549. The next prime is 56302559. The reversal of 56302553 is 35520365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19784704 + 36517849 = 4448^2 + 6043^2 .

It is a cyclic number.

It is not a de Polignac number, because 56302553 - 2² = 56302549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56302559) 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, 686576 + ... + 686657.

It is an arithmetic number, because the mean of its divisors is an integer number (14418957).

Almost surely, 2^56302553 is an apocalyptic number.

It is an amenable number.

56302553 is a deficient number, since it is larger than the sum of its proper divisors (1373275).

56302553 is a wasteful number, since it uses less digits than its factorization.

56302553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373274.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 56302553 is about 7503.5027153990. The cubic root of 56302553 is about 383.2740030840.

The spelling of 56302553 in words is "fifty-six million, three hundred two thousand, five hundred fifty-three".