55988259 has 12 divisors (see below), whose sum is σ = 79301784. Its totient is φ = 35129344.

The previous prime is 55988249. The next prime is 55988267. The reversal of 55988259 is 95288955.

It is not a de Polignac number, because 55988259 - 2⁴ = 55988243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (55988249) 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 11 ways as a sum of consecutive naturals, for example, 31422 + ... + 33155.

It is an arithmetic number, because the mean of its divisors is an integer number (6608482).

Almost surely, 2^55988259 is an apocalyptic number.

55988259 is a deficient number, since it is larger than the sum of its proper divisors (23313525).

55988259 is a wasteful number, since it uses less digits than its factorization.

55988259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64614 (or 64597 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 51.

The square root of 55988259 is about 7482.5302538647. The cubic root of 55988259 is about 382.5594969178.

The spelling of 55988259 in words is "fifty-five million, nine hundred eighty-eight thousand, two hundred fifty-nine".