55418100 has 36 divisors (see below), whose sum is σ = 160343904. Its totient is φ = 14778080.

The previous prime is 55418093. The next prime is 55418131. The reversal of 55418100 is 181455.

It is a super-2 number, since 2×55418100² = 6142331615220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92064 + ... + 92663.

Almost surely, 2^55418100 is an apocalyptic number.

55418100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55418100 is an abundant number, since it is smaller than the sum of its proper divisors (104925804).

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

55418100 is a wasteful number, since it uses less digits than its factorization.

55418100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184744 (or 184737 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 55418100 is about 7444.3334154241. Note that the first 3 decimals coincide. The cubic root of 55418100 is about 381.2564596236.

Adding to 55418100 its reverse (181455), we get a palindrome (55599555).

It can be divided in two parts, 55 and 418100, that added together give a triangular number (418155 = T₉₁₄).

The spelling of 55418100 in words is "fifty-five million, four hundred eighteen thousand, one hundred".