52156272 has 160 divisors (see below), whose sum is σ = 170560512. Its totient is φ = 13381632.

The previous prime is 52156267. The next prime is 52156283. The reversal of 52156272 is 27265125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131178 + ... + 131574.

Almost surely, 2^52156272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52156272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85280256).

52156272 is an abundant number, since it is smaller than the sum of its proper divisors (118404240).

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

52156272 is a wasteful number, since it uses less digits than its factorization.

52156272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 449 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 52156272 is about 7221.9299359659. The cubic root of 52156272 is about 373.6246436645.

The spelling of 52156272 in words is "fifty-two million, one hundred fifty-six thousand, two hundred seventy-two".