56133455 has 32 divisors (see below), whose sum is σ = 81229824. Its totient is φ = 36406656.

The previous prime is 56133449. The next prime is 56133461. The reversal of 56133455 is 55433165.

It is an interprime number because it is at equal distance from previous prime (56133449) and next prime (56133461).

It is a cyclic number.

It is not a de Polignac number, because 56133455 - 2¹⁸ = 55871311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82577 + ... + 83253.

It is an arithmetic number, because the mean of its divisors is an integer number (2538432).

Almost surely, 2^56133455 is an apocalyptic number.

56133455 is a deficient number, since it is larger than the sum of its proper divisors (25096369).

56133455 is a wasteful number, since it uses less digits than its factorization.

56133455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its digits is 27000, while the sum is 32.

The square root of 56133455 is about 7492.2263046440. The cubic root of 56133455 is about 382.8899123912.

The spelling of 56133455 in words is "fifty-six million, one hundred thirty-three thousand, four hundred fifty-five".