52547868 has 18 divisors (see below), whose sum is σ = 132829424. Its totient is φ = 17515944.

The previous prime is 52547851. The next prime is 52547879. The reversal of 52547868 is 86874525.

52547868 is a `hidden beast` number, since 525 + 47 + 86 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×52547868² = 5522556862690848, which contains 22 as substring.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 729796 + ... + 729867.

Almost surely, 2^52547868 is an apocalyptic number.

It is an amenable number.

52547868 is an abundant number, since it is smaller than the sum of its proper divisors (80281556).

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

52547868 is a wasteful number, since it uses less digits than its factorization.

52547868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459673 (or 1459668 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 52547868 is about 7248.9908263151. The cubic root of 52547868 is about 374.5573871224.

The spelling of 52547868 in words is "fifty-two million, five hundred forty-seven thousand, eight hundred sixty-eight".