56957587 has 2 divisors, whose sum is σ = 56957588. Its totient is φ = 56957586.

The previous prime is 56957539. The next prime is 56957617. The reversal of 56957587 is 78575965.

56957587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56957587 - 2²³ = 48568979 is a prime.

It is not a weakly prime, because it can be changed into another prime (56957287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28478793 + 28478794.

It is an arithmetic number, because the mean of its divisors is an integer number (28478794).

Almost surely, 2^56957587 is an apocalyptic number.

56957587 is a deficient number, since it is larger than the sum of its proper divisors (1).

56957587 is an equidigital number, since it uses as much as digits as its factorization.

56957587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 52.

The square root of 56957587 is about 7547.0250430219. The cubic root of 56957587 is about 384.7546353615.

The spelling of 56957587 in words is "fifty-six million, nine hundred fifty-seven thousand, five hundred eighty-seven".