56240590 has 64 divisors (see below), whose sum is σ = 123669504. Its totient is φ = 17975808.

The previous prime is 56240557. The next prime is 56240593. The reversal of 56240590 is 9504265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56240593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198589 + ... + 198871.

It is an arithmetic number, because the mean of its divisors is an integer number (1932336).

Almost surely, 2^56240590 is an apocalyptic number.

56240590 is an abundant number, since it is smaller than the sum of its proper divisors (67428914).

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

56240590 is a wasteful number, since it uses less digits than its factorization.

56240590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 56240590 is about 7499.3726404280. The cubic root of 56240590 is about 383.1333491630.

The spelling of 56240590 in words is "fifty-six million, two hundred forty thousand, five hundred ninety".