56610611 has 4 divisors (see below), whose sum is σ = 56630400. Its totient is φ = 56590824.

The previous prime is 56610577. The next prime is 56610637. The reversal of 56610611 is 11601665.

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 56610611 - 2¹⁰ = 56609587 is a prime.

It is a super-2 number, since 2×56610611² = 6409522555586642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56610691) 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, 4691 + ... + 11628.

It is an arithmetic number, because the mean of its divisors is an integer number (14157600).

Almost surely, 2^56610611 is an apocalyptic number.

56610611 is a deficient number, since it is larger than the sum of its proper divisors (19789).

56610611 is a wasteful number, since it uses less digits than its factorization.

56610611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19788.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 56610611 is about 7524.0023258901. The cubic root of 56610611 is about 383.9717567299.

The spelling of 56610611 in words is "fifty-six million, six hundred ten thousand, six hundred eleven".