56391002 has 8 divisors (see below), whose sum is σ = 84823200. Its totient is φ = 28116604.

The previous prime is 56391001. The next prime is 56391007. The reversal of 56391002 is 20019365.

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 (56391001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38552 + ... + 39987.

It is an arithmetic number, because the mean of its divisors is an integer number (10602900).

Almost surely, 2^56391002 is an apocalyptic number.

56391002 is a deficient number, since it is larger than the sum of its proper divisors (28432198).

56391002 is a wasteful number, since it uses less digits than its factorization.

56391002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78900.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 56391002 is about 7509.3942498713. The cubic root of 56391002 is about 383.4746006533.

The spelling of 56391002 in words is "fifty-six million, three hundred ninety-one thousand, two".