53130032 has 40 divisors (see below), whose sum is σ = 112528512. Its totient is φ = 24192000.

The previous prime is 53130029. The next prime is 53130037. The reversal of 53130032 is 23003135.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (53130037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5282 + ... + 11582.

Almost surely, 2^53130032 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 53130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56264256).

53130032 is an abundant number, since it is smaller than the sum of its proper divisors (59398480).

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

53130032 is a wasteful number, since it uses less digits than its factorization.

53130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357 (or 6351 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 53130032 is about 7289.0350527350. The cubic root of 53130032 is about 375.9355178392.

Adding to 53130032 its reverse (23003135), we get a palindrome (76133167).

The spelling of 53130032 in words is "fifty-three million, one hundred thirty thousand, thirty-two".