52099312 has 40 divisors (see below), whose sum is σ = 106689600. Its totient is φ = 24605952.

The previous prime is 52099309. The next prime is 52099321. The reversal of 52099312 is 21399025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20614 + ... + 23002.

It is an arithmetic number, because the mean of its divisors is an integer number (2667240).

Almost surely, 2^52099312 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 52099312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53344800).

52099312 is an abundant number, since it is smaller than the sum of its proper divisors (54590288).

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

52099312 is a wasteful number, since it uses less digits than its factorization.

52099312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 52099312 is about 7217.9853144766. The cubic root of 52099312 is about 373.4885819737.

The spelling of 52099312 in words is "fifty-two million, ninety-nine thousand, three hundred twelve".