52815523 has 2 divisors, whose sum is σ = 52815524. Its totient is φ = 52815522.

The previous prime is 52815509. The next prime is 52815533. The reversal of 52815523 is 32551825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52815523 - 2⁵ = 52815491 is a prime.

It is not a weakly prime, because it can be changed into another prime (52815533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26407761 + 26407762.

It is an arithmetic number, because the mean of its divisors is an integer number (26407762).

Almost surely, 2^52815523 is an apocalyptic number.

52815523 is a deficient number, since it is larger than the sum of its proper divisors (1).

52815523 is an equidigital number, since it uses as much as digits as its factorization.

52815523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The square root of 52815523 is about 7267.4289126210. The cubic root of 52815523 is about 375.1922522355.

The spelling of 52815523 in words is "fifty-two million, eight hundred fifteen thousand, five hundred twenty-three".