52091912 has 8 divisors (see below), whose sum is σ = 97672350. Its totient is φ = 26045952.

The previous prime is 52091899. The next prime is 52091929. The reversal of 52091912 is 21919025.

It can be written as a sum of positive squares in only one way, i.e., 31967716 + 20124196 = 5654^2 + 4486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255737 + ... + 3255752.

Almost surely, 2^52091912 is an apocalyptic number.

It is an amenable number.

52091912 is a deficient number, since it is larger than the sum of its proper divisors (45580438).

52091912 is a wasteful number, since it uses less digits than its factorization.

52091912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511495 (or 6511491 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 52091912 is about 7217.4726878596. The cubic root of 52091912 is about 373.4708981422.

The spelling of 52091912 in words is "fifty-two million, ninety-one thousand, nine hundred twelve".