56124553 has 2 divisors, whose sum is σ = 56124554. Its totient is φ = 56124552.

The previous prime is 56124521. The next prime is 56124559. The reversal of 56124553 is 35542165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55905529 + 219024 = 7477^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 56124553 - 2⁵ = 56124521 is a prime.

It is not a weakly prime, because it can be changed into another prime (56124559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28062276 + 28062277.

It is an arithmetic number, because the mean of its divisors is an integer number (28062277).

Almost surely, 2^56124553 is an apocalyptic number.

It is an amenable number.

56124553 is a deficient number, since it is larger than the sum of its proper divisors (1).

56124553 is an equidigital number, since it uses as much as digits as its factorization.

56124553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 56124553 is about 7491.6321986600. The cubic root of 56124553 is about 382.8696709494.

It can be divided in two parts, 56 and 124553, that added together give a square (124609 = 353²).

The spelling of 56124553 in words is "fifty-six million, one hundred twenty-four thousand, five hundred fifty-three".