52155732 has 48 divisors (see below), whose sum is σ = 126644672. Its totient is φ = 16692480.

The previous prime is 52155713. The next prime is 52155739. The reversal of 52155732 is 23755125.

It is a self number, because there is not a number n which added to its sum of digits gives 52155732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52155739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30648 + ... + 32304.

Almost surely, 2^52155732 is an apocalyptic number.

It is an amenable number.

52155732 is an abundant number, since it is smaller than the sum of its proper divisors (74488940).

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

52155732 is a wasteful number, since it uses less digits than its factorization.

52155732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1766 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 52155732 is about 7221.8925497407. The cubic root of 52155732 is about 373.6233542190.

The spelling of 52155732 in words is "fifty-two million, one hundred fifty-five thousand, seven hundred thirty-two".