56777051 has 2 divisors, whose sum is σ = 56777052. Its totient is φ = 56777050.

The previous prime is 56777033. The next prime is 56777101. The reversal of 56777051 is 15077765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56777051 is a prime.

It is a Chen prime.

It is equal to p_3381986 and since 56777051 and 3381986 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 56776996 and 56777014.

It is not a weakly prime, because it can be changed into another prime (56777011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28388525 + 28388526.

It is an arithmetic number, because the mean of its divisors is an integer number (28388526).

Almost surely, 2^56777051 is an apocalyptic number.

56777051 is a deficient number, since it is larger than the sum of its proper divisors (1).

56777051 is an equidigital number, since it uses as much as digits as its factorization.

56777051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51450, while the sum is 38.

The square root of 56777051 is about 7535.0548106832. The cubic root of 56777051 is about 384.3476917255.

The spelling of 56777051 in words is "fifty-six million, seven hundred seventy-seven thousand, fifty-one".