56921925 has 24 divisors (see below), whose sum is σ = 97359840. Its totient is φ = 29310400.

The previous prime is 56921923. The next prime is 56921939. The reversal of 56921925 is 52912965.

56921925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56921925 - 2¹ = 56921923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56921923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10911 + ... + 15260.

It is an arithmetic number, because the mean of its divisors is an integer number (4056660).

Almost surely, 2^56921925 is an apocalyptic number.

It is an amenable number.

56921925 is a deficient number, since it is larger than the sum of its proper divisors (40437915).

56921925 is a wasteful number, since it uses less digits than its factorization.

56921925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213 (or 26208 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 56921925 is about 7544.6620202631. The cubic root of 56921925 is about 384.6743183795.

The spelling of 56921925 in words is "fifty-six million, nine hundred twenty-one thousand, nine hundred twenty-five".