56411784 has 96 divisors (see below), whose sum is σ = 179524800. Its totient is φ = 15776640.

The previous prime is 56411759. The next prime is 56411807. The reversal of 56411784 is 48711465.

It is a happy number.

56411784 is a `hidden beast` number, since 5 + 641 + 1 + 7 + 8 + 4 = 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 Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7557 + ... + 13035.

It is an arithmetic number, because the mean of its divisors is an integer number (1870050).

Almost surely, 2^56411784 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 56411784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89762400).

56411784 is an abundant number, since it is smaller than the sum of its proper divisors (123113016).

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

56411784 is a wasteful number, since it uses less digits than its factorization.

56411784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5508 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 56411784 is about 7510.7778558549. Note that the first 3 decimals coincide. The cubic root of 56411784 is about 383.5217026736.

The spelling of 56411784 in words is "fifty-six million, four hundred eleven thousand, seven hundred eighty-four".