55418888 has 16 divisors (see below), whose sum is σ = 118754880. Its totient is φ = 23750928.

The previous prime is 55418887. The next prime is 55418897. The reversal of 55418888 is 88881455.

It is not an unprimeable number, because it can be changed into a prime (55418887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494756 + ... + 494867.

It is an arithmetic number, because the mean of its divisors is an integer number (7422180).

Almost surely, 2^55418888 is an apocalyptic number.

It is an amenable number.

55418888 is an abundant number, since it is smaller than the sum of its proper divisors (63335992).

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

55418888 is a wasteful number, since it uses less digits than its factorization.

55418888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989636 (or 989632 counting only the distinct ones).

The product of its digits is 409600, while the sum is 47.

The square root of 55418888 is about 7444.3863413985. The cubic root of 55418888 is about 381.2582666666.

The spelling of 55418888 in words is "fifty-five million, four hundred eighteen thousand, eight hundred eighty-eight".