56090940 has 48 divisors (see below), whose sum is σ = 158463648. Its totient is φ = 14823424.

The previous prime is 56090921. The next prime is 56090971. The reversal of 56090940 is 4909065.

It is a happy number.

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, 2644 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (3301326).

Almost surely, 2^56090940 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 56090940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79231824).

56090940 is an abundant number, since it is smaller than the sum of its proper divisors (102372708).

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

56090940 is a wasteful number, since it uses less digits than its factorization.

56090940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8398 (or 8396 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 56090940 is about 7489.3884930614. The cubic root of 56090940 is about 382.7932221251.

The spelling of 56090940 in words is "fifty-six million, ninety thousand, nine hundred forty".