53811960 has 64 divisors (see below), whose sum is σ = 164501280. Its totient is φ = 14077440.

The previous prime is 53811937. The next prime is 53811983. The reversal of 53811960 is 6911835.

It is an interprime number because it is at equal distance from previous prime (53811937) and next prime (53811983).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130 + ... + 10590.

Almost surely, 2^53811960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53811960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82250640).

53811960 is an abundant number, since it is smaller than the sum of its proper divisors (110689320).

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

53811960 is a wasteful number, since it uses less digits than its factorization.

53811960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528 (or 8524 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 53811960 is about 7335.6635691667. The cubic root of 53811960 is about 377.5370722185.

The spelling of 53811960 in words is "fifty-three million, eight hundred eleven thousand, nine hundred sixty".