55418156 has 12 divisors (see below), whose sum is σ = 99603168. Its totient is φ = 26960112.

The previous prime is 55418131. The next prime is 55418171. The reversal of 55418156 is 65181455.

It is a happy number.

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, 187076 + ... + 187371.

It is an arithmetic number, because the mean of its divisors is an integer number (8300264).

Almost surely, 2^55418156 is an apocalyptic number.

It is an amenable number.

55418156 is a deficient number, since it is larger than the sum of its proper divisors (44185012).

55418156 is a wasteful number, since it uses less digits than its factorization.

55418156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374488 (or 374486 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The square root of 55418156 is about 7444.3371766733. The cubic root of 55418156 is about 381.2565880435.

The spelling of 55418156 in words is "fifty-five million, four hundred eighteen thousand, one hundred fifty-six".