52490073 has 8 divisors (see below), whose sum is σ = 71134336. Its totient is φ = 34419600.

The previous prime is 52490051. The next prime is 52490077. The reversal of 52490073 is 37009425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52490073 - 2⁸ = 52489817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52490073.

It is not an unprimeable number, because it can be changed into a prime (52490077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143233 + ... + 143598.

It is an arithmetic number, because the mean of its divisors is an integer number (8891792).

Almost surely, 2^52490073 is an apocalyptic number.

It is an amenable number.

52490073 is a deficient number, since it is larger than the sum of its proper divisors (18644263).

52490073 is a wasteful number, since it uses less digits than its factorization.

52490073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286895.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 52490073 is about 7245.0033126286. The cubic root of 52490073 is about 374.4200172268.

Adding to 52490073 its reverse (37009425), we get a palindrome (89499498).

The spelling of 52490073 in words is "fifty-two million, four hundred ninety thousand, seventy-three".