52781488 has 10 divisors (see below), whose sum is σ = 102264164. Its totient is φ = 26390736.

The previous prime is 52781419. The next prime is 52781543. The reversal of 52781488 is 88418725.

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, 1649406 + ... + 1649437.

Almost surely, 2^52781488 is an apocalyptic number.

It is an amenable number.

52781488 is a deficient number, since it is larger than the sum of its proper divisors (49482676).

52781488 is a wasteful number, since it uses less digits than its factorization.

52781488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298851 (or 3298845 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 52781488 is about 7265.0869230863. The cubic root of 52781488 is about 375.1116420188. Note that the first 3 decimals are identical.

The spelling of 52781488 in words is "fifty-two million, seven hundred eighty-one thousand, four hundred eighty-eight".