52431912 has 144 divisors (see below), whose sum is σ = 159868800. Its totient is φ = 15500160.

The previous prime is 52431901. The next prime is 52431917. The reversal of 52431912 is 21913425.

It is not an unprimeable number, because it can be changed into a prime (52431917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 377139 + ... + 377277.

It is an arithmetic number, because the mean of its divisors is an integer number (1110200).

Almost surely, 2^52431912 is an apocalyptic number.

52431912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52431912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79934400).

52431912 is an abundant number, since it is smaller than the sum of its proper divisors (107436888).

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

52431912 is a wasteful number, since it uses less digits than its factorization.

52431912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 188 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 52431912 is about 7240.9883303317. The cubic root of 52431912 is about 374.2816755719.

The spelling of 52431912 in words is "fifty-two million, four hundred thirty-one thousand, nine hundred twelve".