56783337 has 8 divisors (see below), whose sum is σ = 81535104. Its totient is φ = 34943568.

The previous prime is 56783329. The next prime is 56783339. The reversal of 56783337 is 73338765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56783337 - 2³ = 56783329 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56783339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727953 + ... + 728030.

It is an arithmetic number, because the mean of its divisors is an integer number (10191888).

Almost surely, 2^56783337 is an apocalyptic number.

It is an amenable number.

56783337 is a deficient number, since it is larger than the sum of its proper divisors (24751767).

56783337 is a wasteful number, since it uses less digits than its factorization.

56783337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455999.

The product of its digits is 317520, while the sum is 42.

The square root of 56783337 is about 7535.4719162107. The cubic root of 56783337 is about 384.3618753930.

The spelling of 56783337 in words is "fifty-six million, seven hundred eighty-three thousand, three hundred thirty-seven".