55269900 has 216 divisors, whose sum is σ = 205097984. Its totient is φ = 12182400.

The previous prime is 55269899. The next prime is 55269913. The reversal of 55269900 is 996255.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 195159 + ... + 195441.

Almost surely, 2^55269900 is an apocalyptic number.

55269900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55269900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102548992).

55269900 is an abundant number, since it is smaller than the sum of its proper divisors (149828084).

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

55269900 is a wasteful number, since it uses less digits than its factorization.

55269900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 55269900 is about 7434.3728720047. The cubic root of 55269900 is about 380.9163021139.

It can be divided in two parts, 55269 and 900, that added together give a square (56169 = 237²).

The spelling of 55269900 in words is "fifty-five million, two hundred sixty-nine thousand, nine hundred".