56099240 has 32 divisors (see below), whose sum is σ = 127041480. Its totient is φ = 22294272.

The previous prime is 56099237. The next prime is 56099249. The reversal of 56099240 is 4299065.

It can be written as a sum of positive squares in 4 ways, for example, as 32924644 + 23174596 = 5738^2 + 4814^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56099240.

It is not an unprimeable number, because it can be changed into a prime (56099249) 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, 1814 + ... + 10746.

Almost surely, 2^56099240 is an apocalyptic number.

It is an amenable number.

56099240 is an abundant number, since it is smaller than the sum of its proper divisors (70942240).

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

56099240 is a wasteful number, since it uses less digits than its factorization.

56099240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101 (or 9097 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 56099240 is about 7489.9425899001. The cubic root of 56099240 is about 382.8121023403.

The spelling of 56099240 in words is "fifty-six million, ninety-nine thousand, two hundred forty".