55938959 has 8 divisors (see below), whose sum is σ = 59343840. Its totient is φ = 52546816.

The previous prime is 55938947. The next prime is 55938979. The reversal of 55938959 is 95983955.

It is a happy number.

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 55938959 - 2²⁰ = 54890383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55938959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55938979) 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, 6782 + ... + 12564.

It is an arithmetic number, because the mean of its divisors is an integer number (7417980).

Almost surely, 2^55938959 is an apocalyptic number.

55938959 is a deficient number, since it is larger than the sum of its proper divisors (3404881).

55938959 is a wasteful number, since it uses less digits than its factorization.

55938959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369.

The product of its digits is 2187000, while the sum is 53.

The square root of 55938959 is about 7479.2351881727. The cubic root of 55938959 is about 382.4471774067.

The spelling of 55938959 in words is "fifty-five million, nine hundred thirty-eight thousand, nine hundred fifty-nine".