56388053 has 4 divisors (see below), whose sum is σ = 56478048. Its totient is φ = 56298060.

The previous prime is 56388041. The next prime is 56388077. The reversal of 56388053 is 35088365.

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.

It is a cyclic number.

It is not a de Polignac number, because 56388053 - 2¹⁰ = 56387029 is a prime.

It is a super-2 number, since 2×56388053² = 6359225042261618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56387998 and 56388016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56388253) 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, 44051 + ... + 45312.

It is an arithmetic number, because the mean of its divisors is an integer number (14119512).

Almost surely, 2^56388053 is an apocalyptic number.

It is an amenable number.

56388053 is a deficient number, since it is larger than the sum of its proper divisors (89995).

56388053 is an equidigital number, since it uses as much as digits as its factorization.

56388053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89994.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 56388053 is about 7509.1978932506. The cubic root of 56388053 is about 383.4679158616.

The spelling of 56388053 in words is "fifty-six million, three hundred eighty-eight thousand, fifty-three".