56885537 has 2 divisors, whose sum is σ = 56885538. Its totient is φ = 56885536.

The previous prime is 56885531. The next prime is 56885581. The reversal of 56885537 is 73558865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35808256 + 21077281 = 5984^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 56885537 - 2⁶ = 56885473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56885491 and 56885500.

It is not a weakly prime, because it can be changed into another prime (56885531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28442768 + 28442769.

It is an arithmetic number, because the mean of its divisors is an integer number (28442769).

Almost surely, 2^56885537 is an apocalyptic number.

It is an amenable number.

56885537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56885537 is an equidigital number, since it uses as much as digits as its factorization.

56885537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 47.

The square root of 56885537 is about 7542.2501284431. The cubic root of 56885537 is about 384.5923317352.

The spelling of 56885537 in words is "fifty-six million, eight hundred eighty-five thousand, five hundred thirty-seven".