52492279 has 24 divisors (see below), whose sum is σ = 65138688. Its totient is φ = 42078960.

The previous prime is 52492267. The next prime is 52492283. The reversal of 52492279 is 97229425.

52492279 = T₁₄₇₁ + T₁₄₇₂ + ... + T₁₅₁₇.

It is not a de Polignac number, because 52492279 - 2⁵ = 52492247 is a prime.

It is a super-2 number, since 2×52492279² = 5510878709227682, 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 (52492249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52474 + ... + 53464.

It is an arithmetic number, because the mean of its divisors is an integer number (2714112).

Almost surely, 2^52492279 is an apocalyptic number.

52492279 is a deficient number, since it is larger than the sum of its proper divisors (12646409).

52492279 is a wasteful number, since it uses less digits than its factorization.

52492279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1068 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 52492279 is about 7245.1555538856. The cubic root of 52492279 is about 374.4252624027.

The spelling of 52492279 in words is "fifty-two million, four hundred ninety-two thousand, two hundred seventy-nine".