56499804 has 72 divisors (see below), whose sum is σ = 148140720. Its totient is φ = 18144000.

The previous prime is 56499803. The next prime is 56499811. The reversal of 56499804 is 40899465.

It is a happy number.

56499804 is a `hidden beast` number, since 564 + 9 + 9 + 80 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56499804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56499803) 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, 148887 + ... + 149265.

It is an arithmetic number, because the mean of its divisors is an integer number (2057510).

Almost surely, 2^56499804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56499804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74070360).

56499804 is an abundant number, since it is smaller than the sum of its proper divisors (91640916).

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

56499804 is a wasteful number, since it uses less digits than its factorization.

56499804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 56499804 is about 7516.6351514491. The cubic root of 56499804 is about 383.7210702266.

The spelling of 56499804 in words is "fifty-six million, four hundred ninety-nine thousand, eight hundred four".