52509374 has 8 divisors (see below), whose sum is σ = 79939848. Its totient is φ = 25862760.

The previous prime is 52509371. The next prime is 52509383. The reversal of 52509374 is 47390525.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52509371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195797 + ... + 196064.

It is an arithmetic number, because the mean of its divisors is an integer number (9992481).

Almost surely, 2^52509374 is an apocalyptic number.

52509374 is a deficient number, since it is larger than the sum of its proper divisors (27430474).

52509374 is a wasteful number, since it uses less digits than its factorization.

52509374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391930.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 52509374 is about 7246.3352116777. The cubic root of 52509374 is about 374.4659039679.

Adding to 52509374 its reverse (47390525), we get a palindrome (99899899).

The spelling of 52509374 in words is "fifty-two million, five hundred nine thousand, three hundred seventy-four".