52542351 has 10 divisors (see below), whose sum is σ = 78489312. Its totient is φ = 35028180.

The previous prime is 52542341. The next prime is 52542379. The reversal of 52542351 is 15324525.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-52542351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542311) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 324255 + ... + 324416.

Almost surely, 2^52542351 is an apocalyptic number.

52542351 is a deficient number, since it is larger than the sum of its proper divisors (25946961).

52542351 is an equidigital number, since it uses as much as digits as its factorization.

52542351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648683 (or 648674 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52542351 is about 7248.6102805986. The cubic root of 52542351 is about 374.5442784052.

Adding to 52542351 its reverse (15324525), we get a palindrome (67866876).

The spelling of 52542351 in words is "fifty-two million, five hundred forty-two thousand, three hundred fifty-one".