52247331 has 6 divisors (see below), whose sum is σ = 75468380. Its totient is φ = 34831548.

The previous prime is 52247311. The next prime is 52247353. The reversal of 52247331 is 13374225.

It is not a de Polignac number, because 52247331 - 2¹⁰ = 52246307 is a prime.

It is a super-2 number, since 2×52247331² = 5459567193247122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52247295 and 52247304.

It is not an unprimeable number, because it can be changed into a prime (52247311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2902621 + ... + 2902638.

Almost surely, 2^52247331 is an apocalyptic number.

52247331 is a deficient number, since it is larger than the sum of its proper divisors (23221049).

52247331 is a wasteful number, since it uses less digits than its factorization.

52247331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805265 (or 5805262 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 52247331 is about 7228.2315264524. The cubic root of 52247331 is about 373.8419528192.

The spelling of 52247331 in words is "fifty-two million, two hundred forty-seven thousand, three hundred thirty-one".