55095900 has 72 divisors (see below), whose sum is σ = 163156224. Its totient is φ = 14347200.

The previous prime is 55095899. The next prime is 55095907. The reversal of 55095900 is 959055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55095907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10765 + ... + 15035.

Almost surely, 2^55095900 is an apocalyptic number.

55095900 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 55095900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81578112).

55095900 is an abundant number, since it is smaller than the sum of its proper divisors (108060324).

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

55095900 is a wasteful number, since it uses less digits than its factorization.

55095900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 33.

The square root of 55095900 is about 7422.6612478275. The cubic root of 55095900 is about 380.5161499405.

It can be divided in two parts, 5 and 5095900, that added together give a palindrome (5095905).

The spelling of 55095900 in words is "fifty-five million, ninety-five thousand, nine hundred".