52266972 has 12 divisors (see below), whose sum is σ = 121956296. Its totient is φ = 17422320.

The previous prime is 52266947. The next prime is 52267003. The reversal of 52266972 is 27966225.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 52266972.

It is a congruent 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, 2177779 + ... + 2177802.

Almost surely, 2^52266972 is an apocalyptic number.

It is an amenable number.

52266972 is an abundant number, since it is smaller than the sum of its proper divisors (69689324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52266972 is a wasteful number, since it uses less digits than its factorization.

52266972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355588 (or 4355586 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 52266972 is about 7229.5900298703. The cubic root of 52266972 is about 373.8887922766. Note that the first 3 decimals are identical.

The spelling of 52266972 in words is "fifty-two million, two hundred sixty-six thousand, nine hundred seventy-two".