52548279 has 16 divisors (see below), whose sum is σ = 81937152. Its totient is φ = 29328768.

The previous prime is 52548259. The next prime is 52548283. The reversal of 52548279 is 97284525.

It is not a de Polignac number, because 52548279 - 2¹² = 52544183 is a prime.

It is a super-2 number, since 2×52548279² = 5522643251723682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52548279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52548229) 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, 28194 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (5121072).

Almost surely, 2^52548279 is an apocalyptic number.

52548279 is a deficient number, since it is larger than the sum of its proper divisors (29388873).

52548279 is a wasteful number, since it uses less digits than its factorization.

52548279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58246.

The product of its digits is 201600, while the sum is 42.

The square root of 52548279 is about 7249.0191750333. The cubic root of 52548279 is about 374.5583636459.

The spelling of 52548279 in words is "fifty-two million, five hundred forty-eight thousand, two hundred seventy-nine".