52685507 has 4 divisors (see below), whose sum is σ = 60212016. Its totient is φ = 45159000.

The previous prime is 52685497. The next prime is 52685509. The reversal of 52685507 is 70558625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52685507 - 2¹² = 52681411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52685509) 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, 3763244 + ... + 3763257.

It is an arithmetic number, because the mean of its divisors is an integer number (15053004).

Almost surely, 2^52685507 is an apocalyptic number.

52685507 is a deficient number, since it is larger than the sum of its proper divisors (7526509).

52685507 is an equidigital number, since it uses as much as digits as its factorization.

52685507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526508.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 52685507 is about 7258.4782840482. The cubic root of 52685507 is about 374.8841289415.

The spelling of 52685507 in words is "fifty-two million, six hundred eighty-five thousand, five hundred seven".