52542273 has 16 divisors (see below), whose sum is σ = 81423360. Its totient is φ = 29514576.

The previous prime is 52542263. The next prime is 52542283. The reversal of 52542273 is 37224525.

It is an interprime number because it is at equal distance from previous prime (52542263) and next prime (52542283).

It is not a de Polignac number, because 52542273 - 2⁹ = 52541761 is a prime.

It is a super-3 number, since 3×52542273³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52542273.

It is not an unprimeable number, because it can be changed into a prime (52542233) 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, 19965 + ... + 22442.

It is an arithmetic number, because the mean of its divisors is an integer number (5088960).

Almost surely, 2^52542273 is an apocalyptic number.

It is an amenable number.

52542273 is a deficient number, since it is larger than the sum of its proper divisors (28881087).

52542273 is a wasteful number, since it uses less digits than its factorization.

52542273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42476.

The product of its digits is 16800, while the sum is 30.

The square root of 52542273 is about 7248.6049002549. The cubic root of 52542273 is about 374.5440930660.

Adding to 52542273 its reverse (37224525), we get a palindrome (89766798).

The spelling of 52542273 in words is "fifty-two million, five hundred forty-two thousand, two hundred seventy-three".