56321398 has 16 divisors (see below), whose sum is σ = 97875360. Its totient is φ = 23806656.

The previous prime is 56321387. The next prime is 56321429. The reversal of 56321398 is 89312365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26533 + ... + 28576.

It is an arithmetic number, because the mean of its divisors is an integer number (6117210).

Almost surely, 2^56321398 is an apocalyptic number.

56321398 is a deficient number, since it is larger than the sum of its proper divisors (41553962).

56321398 is a wasteful number, since it uses less digits than its factorization.

56321398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55191.

The product of its digits is 38880, while the sum is 37.

The square root of 56321398 is about 7504.7583572024. The cubic root of 56321398 is about 383.3167601320.

The spelling of 56321398 in words is "fifty-six million, three hundred twenty-one thousand, three hundred ninety-eight".