52725732 has 12 divisors (see below), whose sum is σ = 123026736. Its totient is φ = 17575240.

The previous prime is 52725719. The next prime is 52725749. The reversal of 52725732 is 23752725.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 52725693 and 52725702.

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, 2196894 + ... + 2196917.

It is an arithmetic number, because the mean of its divisors is an integer number (10252228).

Almost surely, 2^52725732 is an apocalyptic number.

It is an amenable number.

52725732 is an abundant number, since it is smaller than the sum of its proper divisors (70301004).

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

52725732 is a wasteful number, since it uses less digits than its factorization.

52725732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393818 (or 4393816 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 52725732 is about 7261.2486529522. The cubic root of 52725732 is about 374.9795117695.

The spelling of 52725732 in words is "fifty-two million, seven hundred twenty-five thousand, seven hundred thirty-two".