53267760 has 320 divisors, whose sum is σ = 226652160. Its totient is φ = 11197440.

The previous prime is 53267759. The next prime is 53267791. The reversal of 53267760 is 6776235.

It is a happy number.

53267760 is a `hidden beast` number, since 532 + 67 + 7 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196425 + ... + 196695.

It is an arithmetic number, because the mean of its divisors is an integer number (708288).

Almost surely, 2^53267760 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 53267760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113326080).

53267760 is an abundant number, since it is smaller than the sum of its proper divisors (173384400).

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

53267760 is a wasteful number, since it uses less digits than its factorization.

53267760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 53267760 is about 7298.4765533637. The cubic root of 53267760 is about 376.2600811124.

The spelling of 53267760 in words is "fifty-three million, two hundred sixty-seven thousand, seven hundred sixty".