52497238 has 16 divisors (see below), whose sum is σ = 81607680. Its totient is φ = 25310376.

The previous prime is 52497227. The next prime is 52497239. The reversal of 52497238 is 83279425.

It is a self number, because there is not a number n which added to its sum of digits gives 52497238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52497239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (5100480).

Almost surely, 2^52497238 is an apocalyptic number.

52497238 is a deficient number, since it is larger than the sum of its proper divisors (29110442).

52497238 is a wasteful number, since it uses less digits than its factorization.

52497238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851.

The product of its digits is 120960, while the sum is 40.

The square root of 52497238 is about 7245.4977744804. The cubic root of 52497238 is about 374.4370528123.

The spelling of 52497238 in words is "fifty-two million, four hundred ninety-seven thousand, two hundred thirty-eight".