52753281 has 16 divisors (see below), whose sum is σ = 80515968. Its totient is φ = 30096000.

The previous prime is 52753273. The next prime is 52753319. The reversal of 52753281 is 18235725.

It is not a de Polignac number, because 52753281 - 2³ = 52753273 is a prime.

It is a super-2 number, since 2×52753281² = 5565817312529922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52753241) 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, 14331 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (5032248).

Almost surely, 2^52753281 is an apocalyptic number.

It is an amenable number.

52753281 is a deficient number, since it is larger than the sum of its proper divisors (27762687).

52753281 is a wasteful number, since it uses less digits than its factorization.

52753281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072.

The product of its digits is 16800, while the sum is 33.

The square root of 52753281 is about 7263.1453930098. The cubic root of 52753281 is about 375.0448088678.

The spelling of 52753281 in words is "fifty-two million, seven hundred fifty-three thousand, two hundred eighty-one".