56236437 has 10 divisors (see below), whose sum is σ = 84007638. Its totient is φ = 37490904.

The previous prime is 56236421. The next prime is 56236441. The reversal of 56236437 is 73463265.

56236437 is a `hidden beast` number, since 5 + 6 + 2 + 3 + 643 + 7 = 666.

56236437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36469521 + 19766916 = 6039^2 + 4446^2 .

It is not a de Polignac number, because 56236437 - 2⁴ = 56236421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56236457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 347058 + ... + 347219.

Almost surely, 2^56236437 is an apocalyptic number.

It is an amenable number.

56236437 is a deficient number, since it is larger than the sum of its proper divisors (27771201).

56236437 is an equidigital number, since it uses as much as digits as its factorization.

56236437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694289 (or 694280 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 56236437 is about 7499.0957454883. The cubic root of 56236437 is about 383.1239182996.

The spelling of 56236437 in words is "fifty-six million, two hundred thirty-six thousand, four hundred thirty-seven".