56554651 has 2 divisors, whose sum is σ = 56554652. Its totient is φ = 56554650.

The previous prime is 56554639. The next prime is 56554661. The reversal of 56554651 is 15645565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56554651 - 2⁷ = 56554523 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 56554651.

It is not a weakly prime, because it can be changed into another prime (56554661) 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, 28277325 + 28277326.

It is an arithmetic number, because the mean of its divisors is an integer number (28277326).

Almost surely, 2^56554651 is an apocalyptic number.

56554651 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554651 is an equidigital number, since it uses as much as digits as its factorization.

56554651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 37.

The square root of 56554651 is about 7520.2826409650. The cubic root of 56554651 is about 383.8451953953.

The spelling of 56554651 in words is "fifty-six million, five hundred fifty-four thousand, six hundred fifty-one".