52147776 has 28 divisors (see below), whose sum is σ = 137974832. Its totient is φ = 17382528.

The previous prime is 52147759. The next prime is 52147783. The reversal of 52147776 is 67774125.

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, 135610 + ... + 135993.

Almost surely, 2^52147776 is an apocalyptic number.

It is an amenable number.

52147776 is an abundant number, since it is smaller than the sum of its proper divisors (85827056).

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

52147776 is a wasteful number, since it uses less digits than its factorization.

52147776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271618 (or 271608 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 52147776 is about 7221.3417035894. The cubic root of 52147776 is about 373.6043553576.

The spelling of 52147776 in words is "fifty-two million, one hundred forty-seven thousand, seven hundred seventy-six".