52260391 has 8 divisors (see below), whose sum is σ = 53773344. Its totient is φ = 50752800.

The previous prime is 52260367. The next prime is 52260401. The reversal of 52260391 is 19306225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52260391 - 2¹³ = 52252199 is a prime.

It is a super-2 number, since 2×52260391² = 5462296934945762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52260361) 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, 26541 + ... + 28441.

It is an arithmetic number, because the mean of its divisors is an integer number (6721668).

Almost surely, 2^52260391 is an apocalyptic number.

52260391 is a deficient number, since it is larger than the sum of its proper divisors (1512953).

52260391 is a wasteful number, since it uses less digits than its factorization.

52260391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52260391 is about 7229.1348721683. The cubic root of 52260391 is about 373.8730993490.

The spelling of 52260391 in words is "fifty-two million, two hundred sixty thousand, three hundred ninety-one".