52815526 has 8 divisors (see below), whose sum is σ = 80007984. Its totient is φ = 26146200.

The previous prime is 52815523. The next prime is 52815533. The reversal of 52815526 is 62551825.

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

It is a junction number, because it is equal to n+sod(n) for n = 52815491 and 52815500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52815523) 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, 130530 + ... + 130933.

It is an arithmetic number, because the mean of its divisors is an integer number (10000998).

Almost surely, 2^52815526 is an apocalyptic number.

52815526 is a deficient number, since it is larger than the sum of its proper divisors (27192458).

52815526 is a wasteful number, since it uses less digits than its factorization.

52815526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261566.

The product of its digits is 24000, while the sum is 34.

The square root of 52815526 is about 7267.4291190214. The cubic root of 52815526 is about 375.1922593393.

The spelling of 52815526 in words is "fifty-two million, eight hundred fifteen thousand, five hundred twenty-six".