56385677 has 2 divisors, whose sum is σ = 56385678. Its totient is φ = 56385676.

The previous prime is 56385653. The next prime is 56385689. The reversal of 56385677 is 77658365.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 9449476 = 6851^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 56385677 - 2⁶ = 56385613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56385607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28192838 + 28192839.

It is an arithmetic number, because the mean of its divisors is an integer number (28192839).

Almost surely, 2^56385677 is an apocalyptic number.

It is an amenable number.

56385677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56385677 is an equidigital number, since it uses as much as digits as its factorization.

56385677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 47.

The square root of 56385677 is about 7509.0396856056. The cubic root of 56385677 is about 383.4625297764.

The spelling of 56385677 in words is "fifty-six million, three hundred eighty-five thousand, six hundred seventy-seven".