52666172 has 12 divisors (see below), whose sum is σ = 99255576. Its totient is φ = 24307440.

The previous prime is 52666171. The next prime is 52666183. The reversal of 52666172 is 27166625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52666171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506354 + ... + 506457.

It is an arithmetic number, because the mean of its divisors is an integer number (8271298).

Almost surely, 2^52666172 is an apocalyptic number.

52666172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52666172 is a deficient number, since it is larger than the sum of its proper divisors (46589404).

52666172 is a wasteful number, since it uses less digits than its factorization.

52666172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012828 (or 1012826 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 52666172 is about 7257.1462710903. The cubic root of 52666172 is about 374.8382638835.

The spelling of 52666172 in words is "fifty-two million, six hundred sixty-six thousand, one hundred seventy-two".