52668555 has 8 divisors (see below), whose sum is σ = 84269712. Its totient is φ = 28089888.

The previous prime is 52668547. The next prime is 52668557. The reversal of 52668555 is 55586625.

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

It is not a de Polignac number, because 52668555 - 2³ = 52668547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52668557) 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, 1755604 + ... + 1755633.

It is an arithmetic number, because the mean of its divisors is an integer number (10533714).

Almost surely, 2^52668555 is an apocalyptic number.

52668555 is a deficient number, since it is larger than the sum of its proper divisors (31601157).

52668555 is a wasteful number, since it uses less digits than its factorization.

52668555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511245.

The product of its digits is 360000, while the sum is 42.

The square root of 52668555 is about 7257.3104522268. The cubic root of 52668555 is about 374.8439172664.

The spelling of 52668555 in words is "fifty-two million, six hundred sixty-eight thousand, five hundred fifty-five".