53275860 has 96 divisors (see below), whose sum is σ = 180835200. Its totient is φ = 12913920.

The previous prime is 53275853. The next prime is 53275861. The reversal of 53275860 is 6857235.

53275860 is a `hidden beast` number, since 53 + 27 + 586 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53275861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1456 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (1883700).

Almost surely, 2^53275860 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 53275860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90417600).

53275860 is an abundant number, since it is smaller than the sum of its proper divisors (127559340).

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

53275860 is a wasteful number, since it uses less digits than its factorization.

53275860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998 (or 8990 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53275860 is about 7299.0314425957. The cubic root of 53275860 is about 376.2791517609.

The spelling of 53275860 in words is "fifty-three million, two hundred seventy-five thousand, eight hundred sixty".