52455312 has 120 divisors (see below), whose sum is σ = 180724544. Its totient is φ = 13830912.

The previous prime is 52455283. The next prime is 52455349. The reversal of 52455312 is 21355425.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11103 + ... + 15105.

Almost surely, 2^52455312 is an apocalyptic number.

52455312 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 52455312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90362272).

52455312 is an abundant number, since it is smaller than the sum of its proper divisors (128269232).

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

52455312 is a wasteful number, since it uses less digits than its factorization.

52455312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4028 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52455312 is about 7242.6039516185. The cubic root of 52455312 is about 374.3373470660.

The spelling of 52455312 in words is "fifty-two million, four hundred fifty-five thousand, three hundred twelve".