52166578 has 8 divisors (see below), whose sum is σ = 78285168. Its totient is φ = 26071524.

The previous prime is 52166567. The next prime is 52166617. The reversal of 52166578 is 87566125.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52166578.

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, 1525 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (9785646).

Almost surely, 2^52166578 is an apocalyptic number.

52166578 is a deficient number, since it is larger than the sum of its proper divisors (26118590).

52166578 is a wasteful number, since it uses less digits than its factorization.

52166578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768.

The product of its digits is 100800, while the sum is 40.

The square root of 52166578 is about 7222.6434219059. The cubic root of 52166578 is about 373.6492512641.

The spelling of 52166578 in words is "fifty-two million, one hundred sixty-six thousand, five hundred seventy-eight".