56408753 has 2 divisors, whose sum is σ = 56408754. Its totient is φ = 56408752.

The previous prime is 56408629. The next prime is 56408761. The reversal of 56408753 is 35780465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44930209 + 11478544 = 6703^2 + 3388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56408753 is a prime.

It is not a weakly prime, because it can be changed into another prime (56408773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28204376 + 28204377.

It is an arithmetic number, because the mean of its divisors is an integer number (28204377).

Almost surely, 2^56408753 is an apocalyptic number.

It is an amenable number.

56408753 is a deficient number, since it is larger than the sum of its proper divisors (1).

56408753 is an equidigital number, since it uses as much as digits as its factorization.

56408753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 56408753 is about 7510.5760764405. The cubic root of 56408753 is about 383.5148336885.

The spelling of 56408753 in words is "fifty-six million, four hundred eight thousand, seven hundred fifty-three".