56277937 has 4 divisors (see below), whose sum is σ = 57070656. Its totient is φ = 55485220.

The previous prime is 56277911. The next prime is 56277971. The reversal of 56277937 is 73977265.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73977265 = 5 ⋅14795453.

It is a cyclic number.

It is not a de Polignac number, because 56277937 - 2¹⁵ = 56245169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56277337) 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, 396253 + ... + 396394.

It is an arithmetic number, because the mean of its divisors is an integer number (14267664).

Almost surely, 2^56277937 is an apocalyptic number.

It is an amenable number.

56277937 is a deficient number, since it is larger than the sum of its proper divisors (792719).

56277937 is an equidigital number, since it uses as much as digits as its factorization.

56277937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792718.

The product of its digits is 555660, while the sum is 46.

The square root of 56277937 is about 7501.8622354719. The cubic root of 56277937 is about 383.2181379549.

The spelling of 56277937 in words is "fifty-six million, two hundred seventy-seven thousand, nine hundred thirty-seven".