56005415 has 4 divisors (see below), whose sum is σ = 67206504. Its totient is φ = 44804328.

The previous prime is 56005373. The next prime is 56005441. The reversal of 56005415 is 51450065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56005415 - 2¹⁶ = 55939879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600537 + ... + 5600546.

It is an arithmetic number, because the mean of its divisors is an integer number (16801626).

Almost surely, 2^56005415 is an apocalyptic number.

56005415 is a deficient number, since it is larger than the sum of its proper divisors (11201089).

56005415 is a wasteful number, since it uses less digits than its factorization.

56005415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201088.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 56005415 is about 7483.6765697082. The cubic root of 56005415 is about 382.5985677313.

The spelling of 56005415 in words is "fifty-six million, five thousand, four hundred fifteen".