56003040 has 72 divisors (see below), whose sum is σ = 191115288. Its totient is φ = 14933760.

The previous prime is 56003039. The next prime is 56003053. The reversal of 56003040 is 4030065.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18006 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (2654379).

Almost surely, 2^56003040 is an apocalyptic number.

It is an amenable number.

56003040 is an abundant number, since it is smaller than the sum of its proper divisors (135112248).

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

56003040 is a wasteful number, since it uses less digits than its factorization.

56003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38912 (or 38901 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 56003040 is about 7483.5178893352. The cubic root of 56003040 is about 382.5931594183.

The spelling of 56003040 in words is "fifty-six million, three thousand, forty".