56745937 has 4 divisors (see below), whose sum is σ = 57464320. Its totient is φ = 56027556.

The previous prime is 56745919. The next prime is 56745959. The reversal of 56745937 is 73954765.

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 56745937 - 2¹¹ = 56743889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56745037) 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, 359073 + ... + 359230.

It is an arithmetic number, because the mean of its divisors is an integer number (14366080).

Almost surely, 2^56745937 is an apocalyptic number.

It is an amenable number.

56745937 is a deficient number, since it is larger than the sum of its proper divisors (718383).

56745937 is an equidigital number, since it uses as much as digits as its factorization.

56745937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718382.

The product of its digits is 793800, while the sum is 46.

The square root of 56745937 is about 7532.9899110513. The cubic root of 56745937 is about 384.2774709879.

It can be divided in two parts, 5674 and 5937, that added together give a palindrome (11611).

The spelling of 56745937 in words is "fifty-six million, seven hundred forty-five thousand, nine hundred thirty-seven".