56690373 has 4 divisors (see below), whose sum is σ = 75587168. Its totient is φ = 37793580.

The previous prime is 56690363. The next prime is 56690399. The reversal of 56690373 is 37309665.

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 not a de Polignac number, because 56690373 - 2⁵ = 56690341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56690303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9448393 + ... + 9448398.

It is an arithmetic number, because the mean of its divisors is an integer number (18896792).

Almost surely, 2^56690373 is an apocalyptic number.

It is an amenable number.

56690373 is a deficient number, since it is larger than the sum of its proper divisors (18896795).

56690373 is a wasteful number, since it uses less digits than its factorization.

56690373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896794.

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 56690373 is about 7529.3009635689. The cubic root of 56690373 is about 384.1520055220.

The spelling of 56690373 in words is "fifty-six million, six hundred ninety thousand, three hundred seventy-three".