52660555 has 4 divisors (see below), whose sum is σ = 63192672. Its totient is φ = 42128440.

The previous prime is 52660541. The next prime is 52660561. The reversal of 52660555 is 55506625.

It is a happy number.

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

It is not a de Polignac number, because 52660555 - 2⁹ = 52660043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52660555.

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, 5266051 + ... + 5266060.

It is an arithmetic number, because the mean of its divisors is an integer number (15798168).

Almost surely, 2^52660555 is an apocalyptic number.

52660555 is a deficient number, since it is larger than the sum of its proper divisors (10532117).

52660555 is a wasteful number, since it uses less digits than its factorization.

52660555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532116.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 52660555 is about 7256.7592629217. The cubic root of 52660555 is about 374.8249375470.

The spelling of 52660555 in words is "fifty-two million, six hundred sixty thousand, five hundred fifty-five".