56400498 has 48 divisors (see below), whose sum is σ = 152358336. Its totient is φ = 14649120.

The previous prime is 56400497. The next prime is 56400503. The reversal of 56400498 is 89400465.

56400498 is a `hidden beast` number, since 5 + 640 + 0 + 4 + 9 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56400497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18961 + ... + 21732.

It is an arithmetic number, because the mean of its divisors is an integer number (3174132).

Almost surely, 2^56400498 is an apocalyptic number.

56400498 is an abundant number, since it is smaller than the sum of its proper divisors (95957838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56400498 is a wasteful number, since it uses less digits than its factorization.

56400498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40719 (or 40716 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 56400498 is about 7510.0264979559. The cubic root of 56400498 is about 383.4961245980.

The spelling of 56400498 in words is "fifty-six million, four hundred thousand, four hundred ninety-eight".