55912018 has 8 divisors (see below), whose sum is σ = 84155148. Its totient is φ = 27860304.

The previous prime is 55912009. The next prime is 55912033. The reversal of 55912018 is 81021955.

It can be written as a sum of positive squares in 2 ways, for example, as 55160329 + 751689 = 7427^2 + 867^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47121 + ... + 48292.

Almost surely, 2^55912018 is an apocalyptic number.

55912018 is a deficient number, since it is larger than the sum of its proper divisors (28243130).

55912018 is a wasteful number, since it uses less digits than its factorization.

55912018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95708.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 55912018 is about 7477.4339181299. The cubic root of 55912018 is about 382.3857702101.

The spelling of 55912018 in words is "fifty-five million, nine hundred twelve thousand, eighteen".