56735537 has 2 divisors, whose sum is σ = 56735538. Its totient is φ = 56735536.

The previous prime is 56735531. The next prime is 56735621. The reversal of 56735537 is 73553765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 5527201 = 7156^2 + 2351^2 .

It is a cyclic number.

It is not a de Polignac number, because 56735537 - 2⁶ = 56735473 is a prime.

It is equal to p_3379649 and since 56735537 and 3379649 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 = 56735494 and 56735503.

It is not a weakly prime, because it can be changed into another prime (56735531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28367768 + 28367769.

It is an arithmetic number, because the mean of its divisors is an integer number (28367769).

Almost surely, 2^56735537 is an apocalyptic number.

It is an amenable number.

56735537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56735537 is an equidigital number, since it uses as much as digits as its factorization.

56735537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330750, while the sum is 41.

The square root of 56735537 is about 7532.2995824648. The cubic root of 56735537 is about 384.2539936544.

The spelling of 56735537 in words is "fifty-six million, seven hundred thirty-five thousand, five hundred thirty-seven".