55484818 has 16 divisors (see below), whose sum is σ = 84661920. Its totient is φ = 27266976.

The previous prime is 55484813. The next prime is 55484831. The reversal of 55484818 is 81848455.

It is not an unprimeable number, because it can be changed into a prime (55484813) 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, 60721 + ... + 61627.

It is an arithmetic number, because the mean of its divisors is an integer number (5291370).

Almost surely, 2^55484818 is an apocalyptic number.

55484818 is a deficient number, since it is larger than the sum of its proper divisors (29177102).

55484818 is a wasteful number, since it uses less digits than its factorization.

55484818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its digits is 204800, while the sum is 43.

The square root of 55484818 is about 7448.8131940598. The cubic root of 55484818 is about 381.4093968260.

The spelling of 55484818 in words is "fifty-five million, four hundred eighty-four thousand, eight hundred eighteen".