55539100 has 18 divisors (see below), whose sum is σ = 120520064. Its totient is φ = 22215600.

The previous prime is 55539083. The next prime is 55539103. The reversal of 55539100 is 193555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55539103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277596 + ... + 277795.

Almost surely, 2^55539100 is an apocalyptic number.

55539100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55539100 is an abundant number, since it is smaller than the sum of its proper divisors (64980964).

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

55539100 is a wasteful number, since it uses less digits than its factorization.

55539100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555405 (or 555398 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 55539100 is about 7452.4559710206. The cubic root of 55539100 is about 381.5337366465.

The spelling of 55539100 in words is "fifty-five million, five hundred thirty-nine thousand, one hundred".