52523993 has 8 divisors (see below), whose sum is σ = 54020736. Its totient is φ = 51037600.

The previous prime is 52523981. The next prime is 52524001. The reversal of 52523993 is 39932525.

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

It is a cyclic number.

It is not a de Polignac number, because 52523993 - 2¹⁰ = 52522969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52523953) 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, 8348 + ... + 13218.

It is an arithmetic number, because the mean of its divisors is an integer number (6752592).

Almost surely, 2^52523993 is an apocalyptic number.

It is an amenable number.

52523993 is a deficient number, since it is larger than the sum of its proper divisors (1496743).

52523993 is a wasteful number, since it uses less digits than its factorization.

52523993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its digits is 72900, while the sum is 38.

The square root of 52523993 is about 7247.3438582697. The cubic root of 52523993 is about 374.5006521070.

The spelling of 52523993 in words is "fifty-two million, five hundred twenty-three thousand, nine hundred ninety-three".