52685511 has 8 divisors (see below), whose sum is σ = 70364400. Its totient is φ = 35065152.

The previous prime is 52685509. The next prime is 52685519. The reversal of 52685511 is 11558625.

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

It is not a de Polignac number, because 52685511 - 2¹ = 52685509 is a prime.

It is a super-2 number, since 2×52685511² = 5551526138662242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52685519) 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, 12486 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (8795550).

Almost surely, 2^52685511 is an apocalyptic number.

52685511 is a deficient number, since it is larger than the sum of its proper divisors (17678889).

52685511 is a wasteful number, since it uses less digits than its factorization.

52685511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29265.

The product of its digits is 12000, while the sum is 33.

The square root of 52685511 is about 7258.4785595881. The cubic root of 52685511 is about 374.8841384288.

The spelling of 52685511 in words is "fifty-two million, six hundred eighty-five thousand, five hundred eleven".