56928727 has 4 divisors (see below), whose sum is σ = 56984976. Its totient is φ = 56872480.

The previous prime is 56928719. The next prime is 56928757. The reversal of 56928727 is 72782965.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72782965 = 5 ⋅14556593.

It is a cyclic number.

It is not a de Polignac number, because 56928727 - 2³ = 56928719 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 (56928757) 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, 26578 + ... + 28639.

It is an arithmetic number, because the mean of its divisors is an integer number (14246244).

Almost surely, 2^56928727 is an apocalyptic number.

56928727 is a deficient number, since it is larger than the sum of its proper divisors (56249).

56928727 is a wasteful number, since it uses less digits than its factorization.

56928727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56248.

The product of its digits is 423360, while the sum is 46.

The square root of 56928727 is about 7545.1127890841. The cubic root of 56928727 is about 384.6896402465.

The spelling of 56928727 in words is "fifty-six million, nine hundred twenty-eight thousand, seven hundred twenty-seven".