56930040 has 96 divisors (see below), whose sum is σ = 191908080. Its totient is φ = 15178752.

The previous prime is 56930021. The next prime is 56930047. The reversal of 56930040 is 4003965.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 56929986 and 56930013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56930047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6792 + ... + 12648.

Almost surely, 2^56930040 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 56930040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95954040).

56930040 is an abundant number, since it is smaller than the sum of its proper divisors (134978040).

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

56930040 is a wasteful number, since it uses less digits than its factorization.

56930040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883 (or 5867 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56930040 is about 7545.1997985474. The cubic root of 56930040 is about 384.6925977084.

56930040 divided by its product of nonzero digits (3240) gives a palindrome (17571).

The spelling of 56930040 in words is "fifty-six million, nine hundred thirty thousand, forty".