52249072431 has 16 divisors (see below), whose sum is σ = 70889748480. Its totient is φ = 34221882720.

The previous prime is 52249072429. The next prime is 52249072453. The reversal of 52249072431 is 13427094225.

It is not a de Polignac number, because 52249072431 - 2¹ = 52249072429 is a prime.

It is a super-2 number, since 2×52249072431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52249072431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52249072531) 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 15 ways as a sum of consecutive naturals, for example, 7491 + ... + 323348.

It is an arithmetic number, because the mean of its divisors is an integer number (4430609280).

Almost surely, 2^52249072431 is an apocalyptic number.

52249072431 is a deficient number, since it is larger than the sum of its proper divisors (18640676049).

52249072431 is a wasteful number, since it uses less digits than its factorization.

52249072431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331766.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 52249072431 in words is "fifty-two billion, two hundred forty-nine million, seventy-two thousand, four hundred thirty-one".