56416637 has 2 divisors, whose sum is σ = 56416638. Its totient is φ = 56416636.

The previous prime is 56416609. The next prime is 56416729. The reversal of 56416637 is 73661465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 7150276 = 7019^2 + 2674^2 .

It is a cyclic number.

It is not a de Polignac number, because 56416637 - 2⁶ = 56416573 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56416637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56416037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28208318 + 28208319.

It is an arithmetic number, because the mean of its divisors is an integer number (28208319).

Almost surely, 2^56416637 is an apocalyptic number.

It is an amenable number.

56416637 is a deficient number, since it is larger than the sum of its proper divisors (1).

56416637 is an equidigital number, since it uses as much as digits as its factorization.

56416637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 56416637 is about 7511.1009179747. The cubic root of 56416637 is about 383.5327002425.

The spelling of 56416637 in words is "fifty-six million, four hundred sixteen thousand, six hundred thirty-seven".