56099555 has 8 divisors (see below), whose sum is σ = 67360992. Its totient is φ = 44851968.

The previous prime is 56099539. The next prime is 56099557. The reversal of 56099555 is 55599065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56099555 - 2⁴ = 56099539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56099557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10802 + ... + 15128.

It is an arithmetic number, because the mean of its divisors is an integer number (8420124).

Almost surely, 2^56099555 is an apocalyptic number.

56099555 is a deficient number, since it is larger than the sum of its proper divisors (11261437).

56099555 is a wasteful number, since it uses less digits than its factorization.

56099555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925.

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 56099555 is about 7489.9636180692. The cubic root of 56099555 is about 382.8128188419.

The spelling of 56099555 in words is "fifty-six million, ninety-nine thousand, five hundred fifty-five".