55918326 has 8 divisors (see below), whose sum is σ = 111836664. Its totient is φ = 18639440.

The previous prime is 55918319. The next prime is 55918337. The reversal of 55918326 is 62381955.

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

55918326 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4659855 + ... + 4659866.

It is an arithmetic number, because the mean of its divisors is an integer number (13979583).

Almost surely, 2^55918326 is an apocalyptic number.

55918326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55918326 is a wasteful number, since it uses less digits than its factorization.

55918326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319726.

The product of its digits is 64800, while the sum is 39.

The square root of 55918326 is about 7477.8557086908. The cubic root of 55918326 is about 382.4001499375.

The spelling of 55918326 in words is "fifty-five million, nine hundred eighteen thousand, three hundred twenty-six".