56411615 has 8 divisors (see below), whose sum is σ = 72901248. Its totient is φ = 41657760.

The previous prime is 56411591. The next prime is 56411629. The reversal of 56411615 is 51611465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56411615 - 2¹⁰ = 56410591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433871 + ... + 434000.

It is an arithmetic number, because the mean of its divisors is an integer number (9112656).

Almost surely, 2^56411615 is an apocalyptic number.

56411615 is a deficient number, since it is larger than the sum of its proper divisors (16489633).

56411615 is a wasteful number, since it uses less digits than its factorization.

56411615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867889.

The product of its digits is 3600, while the sum is 29.

The square root of 56411615 is about 7510.7666053473. The cubic root of 56411615 is about 383.5213196848.

The spelling of 56411615 in words is "fifty-six million, four hundred eleven thousand, six hundred fifteen".