56377473 has 4 divisors (see below), whose sum is σ = 75169968. Its totient is φ = 37584980.

The previous prime is 56377463. The next prime is 56377513. The reversal of 56377473 is 37477365.

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 56377473 - 2¹⁰ = 56376449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56377403) 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, 9396243 + ... + 9396248.

It is an arithmetic number, because the mean of its divisors is an integer number (18792492).

Almost surely, 2^56377473 is an apocalyptic number.

It is an amenable number.

56377473 is a deficient number, since it is larger than the sum of its proper divisors (18792495).

56377473 is a wasteful number, since it uses less digits than its factorization.

56377473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18792494.

The product of its digits is 370440, while the sum is 42.

The square root of 56377473 is about 7508.4933908208. The cubic root of 56377473 is about 383.4439312046.

The spelling of 56377473 in words is "fifty-six million, three hundred seventy-seven thousand, four hundred seventy-three".