56088390 has 32 divisors (see below), whose sum is σ = 137479680. Its totient is φ = 14638304.

The previous prime is 56088379. The next prime is 56088391. The reversal of 56088390 is 9388065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56088391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18480 + ... + 21299.

It is an arithmetic number, because the mean of its divisors is an integer number (4296240).

Almost surely, 2^56088390 is an apocalyptic number.

56088390 is an abundant number, since it is smaller than the sum of its proper divisors (81391290).

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

56088390 is a wasteful number, since it uses less digits than its factorization.

56088390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39836.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 56088390 is about 7489.2182502582. The cubic root of 56088390 is about 382.7874212031.

The spelling of 56088390 in words is "fifty-six million, eighty-eight thousand, three hundred ninety".