52155724 has 6 divisors (see below), whose sum is σ = 91272524. Its totient is φ = 26077860.

The previous prime is 52155713. The next prime is 52155739. The reversal of 52155724 is 42755125.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6519462 + ... + 6519469.

Almost surely, 2^52155724 is an apocalyptic number.

It is an amenable number.

52155724 is a deficient number, since it is larger than the sum of its proper divisors (39116800).

52155724 is a wasteful number, since it uses less digits than its factorization.

52155724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038935 (or 13038933 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 52155724 is about 7221.8919958692. The cubic root of 52155724 is about 373.6233351161.

The spelling of 52155724 in words is "fifty-two million, one hundred fifty-five thousand, seven hundred twenty-four".