56725951 has 4 divisors (see below), whose sum is σ = 56741904. Its totient is φ = 56710000.

The previous prime is 56725931. The next prime is 56725967. The reversal of 56725951 is 15952765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15952765 = 5 ⋅3190553.

It is a cyclic number.

It is not a de Polignac number, because 56725951 - 2¹¹ = 56723903 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 (56725931) 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, 51 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (14185476).

Almost surely, 2^56725951 is an apocalyptic number.

56725951 is a deficient number, since it is larger than the sum of its proper divisors (15953).

56725951 is a wasteful number, since it uses less digits than its factorization.

56725951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952.

The product of its digits is 94500, while the sum is 40.

The square root of 56725951 is about 7531.6632293272. The cubic root of 56725951 is about 384.2323513325.

The spelling of 56725951 in words is "fifty-six million, seven hundred twenty-five thousand, nine hundred fifty-one".