56816373 has 16 divisors (see below), whose sum is σ = 79174656. Its totient is φ = 36205680.

The previous prime is 56816369. The next prime is 56816399. The reversal of 56816373 is 37361865.

It is not a de Polignac number, because 56816373 - 2² = 56816369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816303) 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, 1378 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (4948416).

Almost surely, 2^56816373 is an apocalyptic number.

It is an amenable number.

56816373 is a deficient number, since it is larger than the sum of its proper divisors (22358283).

56816373 is a wasteful number, since it uses less digits than its factorization.

56816373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464.

The product of its digits is 90720, while the sum is 39.

The square root of 56816373 is about 7537.6636300647. The cubic root of 56816373 is about 384.4364002912.

The spelling of 56816373 in words is "fifty-six million, eight hundred sixteen thousand, three hundred seventy-three".