56434040 has 64 divisors (see below), whose sum is σ = 140132160. Its totient is φ = 20321280.

The previous prime is 56434013. The next prime is 56434051. The reversal of 56434040 is 4043465.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19997 + ... + 22643.

It is an arithmetic number, because the mean of its divisors is an integer number (2189565).

Almost surely, 2^56434040 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 56434040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70066080).

56434040 is an abundant number, since it is smaller than the sum of its proper divisors (83698120).

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

56434040 is a wasteful number, since it uses less digits than its factorization.

56434040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 56434040 is about 7512.2593139481. The cubic root of 56434040 is about 383.5721326614.

The spelling of 56434040 in words is "fifty-six million, four hundred thirty-four thousand, forty".