53903857220 has 24 divisors (see below), whose sum is σ = 113204180544. Its totient is φ = 21560384736.

The previous prime is 53903857207. The next prime is 53903857243. The reversal of 53903857220 is 2275830935.

It is a super-2 number, since 2×53903857220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377447 + ... + 500273.

It is an arithmetic number, because the mean of its divisors is an integer number (4716840856).

Almost surely, 2^53903857220 is an apocalyptic number.

It is an amenable number.

53903857220 is an abundant number, since it is smaller than the sum of its proper divisors (59300323324).

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

53903857220 is a wasteful number, since it uses less digits than its factorization.

53903857220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144779 (or 144777 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 53903857220 in words is "fifty-three billion, nine hundred three million, eight hundred fifty-seven thousand, two hundred twenty".