56947319 has 24 divisors (see below), whose sum is σ = 69132336. Its totient is φ = 46569600.

The previous prime is 56947307. The next prime is 56947339. The reversal of 56947319 is 91374965.

It is not a de Polignac number, because 56947319 - 2²⁰ = 55898743 is a prime.

It is a super-2 number, since 2×56947319² = 6485994282575522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56947319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56947339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64052 + ... + 64934.

It is an arithmetic number, because the mean of its divisors is an integer number (2880514).

Almost surely, 2^56947319 is an apocalyptic number.

56947319 is a deficient number, since it is larger than the sum of its proper divisors (12185017).

56947319 is a wasteful number, since it uses less digits than its factorization.

56947319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 948 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 56947319 is about 7546.3447443116. The cubic root of 56947319 is about 384.7315134900.

The spelling of 56947319 in words is "fifty-six million, nine hundred forty-seven thousand, three hundred nineteen".