52257732 has 12 divisors (see below), whose sum is σ = 121934736. Its totient is φ = 17419240.

The previous prime is 52257731. The next prime is 52257757. The reversal of 52257732 is 23775225.

52257732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52257693 and 52257702.

It is not an unprimeable number, because it can be changed into a prime (52257731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177394 + ... + 2177417.

It is an arithmetic number, because the mean of its divisors is an integer number (10161228).

Almost surely, 2^52257732 is an apocalyptic number.

It is an amenable number.

52257732 is an abundant number, since it is smaller than the sum of its proper divisors (69677004).

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

52257732 is a wasteful number, since it uses less digits than its factorization.

52257732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354818 (or 4354816 counting only the distinct ones).

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

The square root of 52257732 is about 7228.9509612391. The cubic root of 52257732 is about 373.8667583744.

The spelling of 52257732 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred thirty-two".