52697555 has 4 divisors (see below), whose sum is σ = 63237072. Its totient is φ = 42158040.

The previous prime is 52697543. The next prime is 52697563. The reversal of 52697555 is 55579625.

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

It is not a de Polignac number, because 52697555 - 2¹⁴ = 52681171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5269751 + ... + 5269760.

It is an arithmetic number, because the mean of its divisors is an integer number (15809268).

Almost surely, 2^52697555 is an apocalyptic number.

52697555 is a deficient number, since it is larger than the sum of its proper divisors (10539517).

52697555 is a wasteful number, since it uses less digits than its factorization.

52697555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539516.

The product of its digits is 472500, while the sum is 44.

The square root of 52697555 is about 7259.3081626282. The cubic root of 52697555 is about 374.9127026423.

The spelling of 52697555 in words is "fifty-two million, six hundred ninety-seven thousand, five hundred fifty-five".