53391360 has 208 divisors, whose sum is σ = 188720640. Its totient is φ = 12779520.

The previous prime is 53391347. The next prime is 53391383. The reversal of 53391360 is 6319335.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 675801 + ... + 675879.

Almost surely, 2^53391360 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 53391360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94360320).

53391360 is an abundant number, since it is smaller than the sum of its proper divisors (135329280).

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

53391360 is a wasteful number, since it uses less digits than its factorization.

53391360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 53391360 is about 7306.9391676680. The cubic root of 53391360 is about 376.5508750335.

The spelling of 53391360 in words is "fifty-three million, three hundred ninety-one thousand, three hundred sixty".