53229312 has 180 divisors, whose sum is σ = 169169616. Its totient is φ = 16588800.

The previous prime is 53229307. The next prime is 53229349. The reversal of 53229312 is 21392235.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 352437 + ... + 352587.

Almost surely, 2^53229312 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 53229312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84584808).

53229312 is an abundant number, since it is smaller than the sum of its proper divisors (115940304).

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

53229312 is a wasteful number, since it uses less digits than its factorization.

53229312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 173 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 53229312 is about 7295.8421035546. The cubic root of 53229312 is about 376.1695327234.

The spelling of 53229312 in words is "fifty-three million, two hundred twenty-nine thousand, three hundred twelve".