54902993220 has 72 divisors (see below), whose sum is σ = 169024774464. Its totient is φ = 14422275648.

The previous prime is 54902993179. The next prime is 54902993221. The reversal of 54902993220 is 2239920945.

54902993220 is a `hidden beast` number, since 54 + 90 + 299 + 3 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54902993221) 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, 2264184 + ... + 2288303.

It is an arithmetic number, because the mean of its divisors is an integer number (2347566312).

Almost surely, 2^54902993220 is an apocalyptic number.

It is an amenable number.

54902993220 is an abundant number, since it is smaller than the sum of its proper divisors (114121781244).

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

54902993220 is a wasteful number, since it uses less digits than its factorization.

54902993220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552569 (or 4552564 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 54902993220 in words is "fifty-four billion, nine hundred two million, nine hundred ninety-three thousand, two hundred twenty".