56501711 has 8 divisors (see below), whose sum is σ = 64720800. Its totient is φ = 48319488.

The previous prime is 56501681. The next prime is 56501717. The reversal of 56501711 is 11710565.

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

It is not a de Polignac number, because 56501711 - 2⁶ = 56501647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846 + ... + 12131.

It is an arithmetic number, because the mean of its divisors is an integer number (8090100).

Almost surely, 2^56501711 is an apocalyptic number.

56501711 is a deficient number, since it is larger than the sum of its proper divisors (8219089).

56501711 is a wasteful number, since it uses less digits than its factorization.

56501711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18433.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 56501711 is about 7516.7620023518. The cubic root of 56501711 is about 383.7253873380.

The spelling of 56501711 in words is "fifty-six million, five hundred one thousand, seven hundred eleven".