56247804 has 24 divisors (see below), whose sum is σ = 145827920. Its totient is φ = 18749232.

The previous prime is 56247803. The next prime is 56247839. The reversal of 56247804 is 40874265.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56247803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260299 + ... + 260514.

Almost surely, 2^56247804 is an apocalyptic number.

56247804 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56247804 is an abundant number, since it is smaller than the sum of its proper divisors (89580116).

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

56247804 is a wasteful number, since it uses less digits than its factorization.

56247804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520826 (or 520818 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 56247804 is about 7499.8535985711. The cubic root of 56247804 is about 383.1497300118.

The spelling of 56247804 in words is "fifty-six million, two hundred forty-seven thousand, eight hundred four".