52947328 has 32 divisors (see below), whose sum is σ = 120551760. Its totient is φ = 22691328.

The previous prime is 52947313. The next prime is 52947337. The reversal of 52947328 is 82374925.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28651 + ... + 30442.

Almost surely, 2^52947328 is an apocalyptic number.

It is an amenable number.

52947328 is an abundant number, since it is smaller than the sum of its proper divisors (67604432).

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

52947328 is an equidigital number, since it uses as much as digits as its factorization.

52947328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59114 (or 59102 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 52947328 is about 7276.4914622365. The cubic root of 52947328 is about 375.5040995343.

The spelling of 52947328 in words is "fifty-two million, nine hundred forty-seven thousand, three hundred twenty-eight".