53165430 has 64 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 14097888.

The previous prime is 53165419. The next prime is 53165447. The reversal of 53165430 is 3456135.

53165430 is a `hidden beast` number, since 5 + 3 + 1 + 654 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53165394 and 53165403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59769 + ... + 60651.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^53165430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53165430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71285760).

53165430 is an abundant number, since it is smaller than the sum of its proper divisors (89406090).

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

53165430 is a wasteful number, since it uses less digits than its factorization.

53165430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53165430 is about 7291.4628161981. The cubic root of 53165430 is about 376.0189885914.

The spelling of 53165430 in words is "fifty-three million, one hundred sixty-five thousand, four hundred thirty".