56291433 has 16 divisors (see below), whose sum is σ = 86188800. Its totient is φ = 32320080.

The previous prime is 56291423. The next prime is 56291449. The reversal of 56291433 is 33419265.

It is not a de Polignac number, because 56291433 - 2¹⁸ = 56029289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 56291394 and 56291403.

It is not an unprimeable number, because it can be changed into a prime (56291413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44263 + ... + 45516.

It is an arithmetic number, because the mean of its divisors is an integer number (5386800).

Almost surely, 2^56291433 is an apocalyptic number.

It is an amenable number.

56291433 is a deficient number, since it is larger than the sum of its proper divisors (29897367).

56291433 is a wasteful number, since it uses less digits than its factorization.

56291433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89812.

The product of its digits is 19440, while the sum is 33.

The square root of 56291433 is about 7502.7616915373. The cubic root of 56291433 is about 383.2487686597.

The spelling of 56291433 in words is "fifty-six million, two hundred ninety-one thousand, four hundred thirty-three".