56942928 has 120 divisors (see below), whose sum is σ = 192898368. Its totient is φ = 15307776.

The previous prime is 56942927. The next prime is 56942953. The reversal of 56942928 is 82924965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56942927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15475 + ... + 18797.

Almost surely, 2^56942928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56942928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96449184).

56942928 is an abundant number, since it is smaller than the sum of its proper divisors (135955440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56942928 is a wasteful number, since it uses less digits than its factorization.

56942928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3352 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 56942928 is about 7546.0538031477. The cubic root of 56942928 is about 384.7216248214.

The spelling of 56942928 in words is "fifty-six million, nine hundred forty-two thousand, nine hundred twenty-eight".