56517733 has 2 divisors, whose sum is σ = 56517734. Its totient is φ = 56517732.

The previous prime is 56517701. The next prime is 56517737. The reversal of 56517733 is 33771565.

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., 36024004 + 20493729 = 6002^2 + 4527^2 .

It is a cyclic number.

It is not a de Polignac number, because 56517733 - 2⁵ = 56517701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56517692 and 56517701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56517737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28258866 + 28258867.

It is an arithmetic number, because the mean of its divisors is an integer number (28258867).

Almost surely, 2^56517733 is an apocalyptic number.

It is an amenable number.

56517733 is a deficient number, since it is larger than the sum of its proper divisors (1).

56517733 is an equidigital number, since it uses as much as digits as its factorization.

56517733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 37.

The square root of 56517733 is about 7517.8276782592. The cubic root of 56517733 is about 383.7616544824.

The spelling of 56517733 in words is "fifty-six million, five hundred seventeen thousand, seven hundred thirty-three".