53373432 has 128 divisors (see below), whose sum is σ = 167731200. Its totient is φ = 13799808.

The previous prime is 53373391. The next prime is 53373443. The reversal of 53373432 is 23437335.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53373432.

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, 73053 + ... + 73779.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 2^53373432 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 53373432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83865600).

53373432 is an abundant number, since it is smaller than the sum of its proper divisors (114357768).

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

53373432 is a wasteful number, since it uses less digits than its factorization.

53373432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 781 counting only the distinct ones).

The product of its digits is 22680, while the sum is 30.

The square root of 53373432 is about 7305.7122856023. The cubic root of 53373432 is about 376.5087236453.

The spelling of 53373432 in words is "fifty-three million, three hundred seventy-three thousand, four hundred thirty-two".