55029100 has 72 divisors (see below), whose sum is σ = 137768960. Its totient is φ = 18688320.

The previous prime is 55029077. The next prime is 55029157. The reversal of 55029100 is 192055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88591 + ... + 89209.

Almost surely, 2^55029100 is an apocalyptic number.

55029100 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 55029100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68884480).

55029100 is an abundant number, since it is smaller than the sum of its proper divisors (82739860).

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

55029100 is a wasteful number, since it uses less digits than its factorization.

55029100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 55029100 is about 7418.1601492553. The cubic root of 55029100 is about 380.3623045034.

The spelling of 55029100 in words is "fifty-five million, twenty-nine thousand, one hundred".