56501723 has 8 divisors (see below), whose sum is σ = 57213840. Its totient is φ = 55792800.

The previous prime is 56501719. The next prime is 56501779. The reversal of 56501723 is 32710565.

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

It is a cyclic number.

It is not a de Polignac number, because 56501723 - 2² = 56501719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56501023) 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, 74261 + ... + 75017.

It is an arithmetic number, because the mean of its divisors is an integer number (7151730).

Almost surely, 2^56501723 is an apocalyptic number.

56501723 is a deficient number, since it is larger than the sum of its proper divisors (712117).

56501723 is a wasteful number, since it uses less digits than its factorization.

56501723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 56501723 is about 7516.7628005678. The cubic root of 56501723 is about 383.7254145036.

The spelling of 56501723 in words is "fifty-six million, five hundred one thousand, seven hundred twenty-three".