56003724 has 72 divisors (see below), whose sum is σ = 167801088. Its totient is φ = 15999120.

The previous prime is 56003723. The next prime is 56003737. The reversal of 56003724 is 42730065.

It is a happy number.

56003724 is a `hidden beast` number, since 5 + 600 + 37 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (56003723) 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, 2689 + ... + 10919.

Almost surely, 2^56003724 is an apocalyptic number.

56003724 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56003724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83900544).

56003724 is an abundant number, since it is smaller than the sum of its proper divisors (111797364).

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

56003724 is a wasteful number, since it uses less digits than its factorization.

56003724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56003724 is about 7483.5635896276. The cubic root of 56003724 is about 382.5947170281.

Adding to 56003724 its reverse (42730065), we get a palindrome (98733789).

The spelling of 56003724 in words is "fifty-six million, three thousand, seven hundred twenty-four".