56014891 has 4 divisors (see below), whose sum is σ = 56510712. Its totient is φ = 55519072.

The previous prime is 56014873. The next prime is 56014901. The reversal of 56014891 is 19841065.

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 56014891 - 2¹⁷ = 55883819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56014841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247741 + ... + 247966.

It is an arithmetic number, because the mean of its divisors is an integer number (14127678).

Almost surely, 2^56014891 is an apocalyptic number.

56014891 is a deficient number, since it is larger than the sum of its proper divisors (495821).

56014891 is a wasteful number, since it uses less digits than its factorization.

56014891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495820.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 56014891 is about 7484.3096542033. The cubic root of 56014891 is about 382.6201448089.

It can be divided in two parts, 560 and 14891, that added together give a palindrome (15451).

The spelling of 56014891 in words is "fifty-six million, fourteen thousand, eight hundred ninety-one".