52090317 has 8 divisors (see below), whose sum is σ = 77170880. Its totient is φ = 34726860.

The previous prime is 52090307. The next prime is 52090321. The reversal of 52090317 is 71309025.

It is not a de Polignac number, because 52090317 - 2¹⁰ = 52089293 is a prime.

It is a super-2 number, since 2×52090317² = 5426802250320978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1929271 = 52090317 / (5 + 2 + 0 + 9 + 0 + 3 + 1 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52090307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964609 + ... + 964662.

It is an arithmetic number, because the mean of its divisors is an integer number (9646360).

Almost surely, 2^52090317 is an apocalyptic number.

It is an amenable number.

52090317 is a deficient number, since it is larger than the sum of its proper divisors (25080563).

52090317 is a wasteful number, since it uses less digits than its factorization.

52090317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929280 (or 1929274 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52090317 is about 7217.3621912718. The cubic root of 52090317 is about 373.4670863402.

The spelling of 52090317 in words is "fifty-two million, ninety thousand, three hundred seventeen".