56389783402 has 8 divisors (see below), whose sum is σ = 84616350912. Its totient is φ = 28184333100.

The previous prime is 56389783393. The next prime is 56389783409. The reversal of 56389783402 is 20438798365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56389783409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5272624 + ... + 5283307.

It is an arithmetic number, because the mean of its divisors is an integer number (10577043864).

Almost surely, 2^56389783402 is an apocalyptic number.

56389783402 is a deficient number, since it is larger than the sum of its proper divisors (28226567510).

56389783402 is a wasteful number, since it uses less digits than its factorization.

56389783402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558604.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 56389783402 in words is "fifty-six billion, three hundred eighty-nine million, seven hundred eighty-three thousand, four hundred two".