55098992 has 20 divisors (see below), whose sum is σ = 114966600. Its totient is φ = 25430208.

The previous prime is 55098983. The next prime is 55099021. The reversal of 55098992 is 29989055.

55098992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132242 + ... + 132657.

It is an arithmetic number, because the mean of its divisors is an integer number (5748330).

Almost surely, 2^55098992 is an apocalyptic number.

55098992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55098992 is an abundant number, since it is smaller than the sum of its proper divisors (59867608).

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

55098992 is a wasteful number, since it uses less digits than its factorization.

55098992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264920 (or 264914 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 55098992 is about 7422.8695259987. The cubic root of 55098992 is about 380.5232680378.

The spelling of 55098992 in words is "fifty-five million, ninety-eight thousand, nine hundred ninety-two".