56306377 has 2 divisors, whose sum is σ = 56306378. Its totient is φ = 56306376.

The previous prime is 56306359. The next prime is 56306401. The reversal of 56306377 is 77360365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41744521 + 14561856 = 6461^2 + 3816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56306377 is a prime.

It is a super-2 number, since 2×56306377² = 6340816181732258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56306317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28153188 + 28153189.

It is an arithmetic number, because the mean of its divisors is an integer number (28153189).

Almost surely, 2^56306377 is an apocalyptic number.

It is an amenable number.

56306377 is a deficient number, since it is larger than the sum of its proper divisors (1).

56306377 is an equidigital number, since it uses as much as digits as its factorization.

56306377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 56306377 is about 7503.7575254002. The cubic root of 56306377 is about 383.2826800535.

The spelling of 56306377 in words is "fifty-six million, three hundred six thousand, three hundred seventy-seven".