56835040 has 48 divisors (see below), whose sum is σ = 135378432. Its totient is φ = 22546944.

The previous prime is 56835019. The next prime is 56835043. The reversal of 56835040 is 4053865.

It is a junction number, because it is equal to n+sod(n) for n = 56834993 and 56835011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56835043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18922 + ... + 21718.

It is an arithmetic number, because the mean of its divisors is an integer number (2820384).

Almost surely, 2^56835040 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 56835040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67689216).

56835040 is an abundant number, since it is smaller than the sum of its proper divisors (78543392).

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

56835040 is a wasteful number, since it uses less digits than its factorization.

56835040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 56835040 is about 7538.9017767842. The cubic root of 56835040 is about 384.4784978306.

The spelling of 56835040 in words is "fifty-six million, eight hundred thirty-five thousand, forty".