56473877 has 4 divisors (see below), whose sum is σ = 58000236. Its totient is φ = 54947520.

The previous prime is 56473799. The next prime is 56473913. The reversal of 56473877 is 77837465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77837465 = 5 ⋅15567493.

It can be written as a sum of positive squares in 2 ways, for example, as 41036836 + 15437041 = 6406^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 56473877 - 2²⁴ = 39696661 is a prime.

It is a super-2 number, since 2×56473877² = 6378597566822258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56473177) 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, 763124 + ... + 763197.

It is an arithmetic number, because the mean of its divisors is an integer number (14500059).

Almost surely, 2^56473877 is an apocalyptic number.

It is an amenable number.

56473877 is a deficient number, since it is larger than the sum of its proper divisors (1526359).

56473877 is a wasteful number, since it uses less digits than its factorization.

56473877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526358.

The product of its digits is 987840, while the sum is 47.

The square root of 56473877 is about 7514.9103121727. The cubic root of 56473877 is about 383.6623664338.

The spelling of 56473877 in words is "fifty-six million, four hundred seventy-three thousand, eight hundred seventy-seven".