56402459 has 2 divisors, whose sum is σ = 56402460. Its totient is φ = 56402458.

The previous prime is 56402399. The next prime is 56402473. The reversal of 56402459 is 95420465.

It is a happy number.

56402459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56402459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56408459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28201229 + 28201230.

It is an arithmetic number, because the mean of its divisors is an integer number (28201230).

Almost surely, 2^56402459 is an apocalyptic number.

56402459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56402459 is an equidigital number, since it uses as much as digits as its factorization.

56402459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 56402459 is about 7510.1570556147. The cubic root of 56402459 is about 383.5005691639.

The spelling of 56402459 in words is "fifty-six million, four hundred two thousand, four hundred fifty-nine".