53101920 has 48 divisors (see below), whose sum is σ = 167272560. Its totient is φ = 14160384.

The previous prime is 53101913. The next prime is 53101921. The reversal of 53101920 is 2910135.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53101921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54835 + ... + 55794.

It is an arithmetic number, because the mean of its divisors is an integer number (3484845).

Almost surely, 2^53101920 is an apocalyptic number.

It is an amenable number.

53101920 is an abundant number, since it is smaller than the sum of its proper divisors (114170640).

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

53101920 is a wasteful number, since it uses less digits than its factorization.

53101920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110647 (or 110639 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 53101920 is about 7287.1064216189. The cubic root of 53101920 is about 375.8692015244.

The spelling of 53101920 in words is "fifty-three million, one hundred one thousand, nine hundred twenty".