55214850 has 24 divisors (see below), whose sum is σ = 136933200. Its totient is φ = 14723920.

The previous prime is 55214839. The next prime is 55214879. The reversal of 55214850 is 5841255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183900 + ... + 184199.

It is an arithmetic number, because the mean of its divisors is an integer number (5705550).

Almost surely, 2^55214850 is an apocalyptic number.

55214850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55214850 is an abundant number, since it is smaller than the sum of its proper divisors (81718350).

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

55214850 is a wasteful number, since it uses less digits than its factorization.

55214850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368114 (or 368109 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 55214850 is about 7430.6695526043. The cubic root of 55214850 is about 380.7897931806.

The spelling of 55214850 in words is "fifty-five million, two hundred fourteen thousand, eight hundred fifty".