56411505 has 16 divisors (see below), whose sum is σ = 100287360. Its totient is φ = 30086064.

The previous prime is 56411489. The next prime is 56411507. The reversal of 56411505 is 50511465.

It is a happy number.

56411505 is a `hidden beast` number, since 5 + 641 + 15 + 0 + 5 = 666.

It is not a de Polignac number, because 56411505 - 2⁴ = 56411489 is a prime.

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 (56411507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208797 + ... + 209066.

It is an arithmetic number, because the mean of its divisors is an integer number (6267960).

Almost surely, 2^56411505 is an apocalyptic number.

It is an amenable number.

56411505 is a deficient number, since it is larger than the sum of its proper divisors (43875855).

56411505 is a wasteful number, since it uses less digits than its factorization.

56411505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417877 (or 417871 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 56411505 is about 7510.7592825226. The cubic root of 56411505 is about 383.5210704018.

The spelling of 56411505 in words is "fifty-six million, four hundred eleven thousand, five hundred five".