52270239 has 16 divisors (see below), whose sum is σ = 79752960. Its totient is φ = 29830080.

The previous prime is 52270201. The next prime is 52270261. The reversal of 52270239 is 93207225.

It is a happy number.

It is not a de Polignac number, because 52270239 - 2⁷ = 52270111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270139) 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, 26104 + ... + 28034.

It is an arithmetic number, because the mean of its divisors is an integer number (4984560).

Almost surely, 2^52270239 is an apocalyptic number.

52270239 is a deficient number, since it is larger than the sum of its proper divisors (27482721).

52270239 is a wasteful number, since it uses less digits than its factorization.

52270239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 52270239 is about 7229.8159727617. The cubic root of 52270239 is about 373.8965822134.

The spelling of 52270239 in words is "fifty-two million, two hundred seventy thousand, two hundred thirty-nine".