55158200 has 48 divisors (see below), whose sum is σ = 135794880. Its totient is φ = 20764160.

The previous prime is 55158199. The next prime is 55158211. The reversal of 55158200 is 285155.

55158200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55158200.

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 11 ways as a sum of consecutive naturals, for example, 4712 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (2829060).

Almost surely, 2^55158200 is an apocalyptic number.

55158200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55158200 is an abundant number, since it is smaller than the sum of its proper divisors (80636680).

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

55158200 is a wasteful number, since it uses less digits than its factorization.

55158200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256 (or 16247 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 55158200 is about 7426.8566702206. The cubic root of 55158200 is about 380.6595195104.

The spelling of 55158200 in words is "fifty-five million, one hundred fifty-eight thousand, two hundred".