52290275 has 12 divisors (see below), whose sum is σ = 65511432. Its totient is φ = 41399040.

The previous prime is 52290269. The next prime is 52290307. The reversal of 52290275 is 57209225.

It is a happy number.

It is not a de Polignac number, because 52290275 - 2⁸ = 52290019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8357 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (5459286).

Almost surely, 2^52290275 is an apocalyptic number.

52290275 is a deficient number, since it is larger than the sum of its proper divisors (13221157).

52290275 is a wasteful number, since it uses less digits than its factorization.

52290275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21670 (or 21665 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 52290275 is about 7231.2014907621. The cubic root of 52290275 is about 373.9443495796.

The spelling of 52290275 in words is "fifty-two million, two hundred ninety thousand, two hundred seventy-five".