52549947 has 24 divisors (see below), whose sum is σ = 77281776. Its totient is φ = 34405056.

The previous prime is 52549921. The next prime is 52549949. The reversal of 52549947 is 74994525.

It is not a de Polignac number, because 52549947 - 2¹² = 52545851 is a prime.

It is a super-2 number, since 2×52549947² = 5522993859405618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52549949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189573 + ... + 189849.

It is an arithmetic number, because the mean of its divisors is an integer number (3220074).

Almost surely, 2^52549947 is an apocalyptic number.

52549947 is a deficient number, since it is larger than the sum of its proper divisors (24731829).

52549947 is a wasteful number, since it uses less digits than its factorization.

52549947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 584 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 52549947 is about 7249.1342241677. The cubic root of 52549947 is about 374.5623267110.

The spelling of 52549947 in words is "fifty-two million, five hundred forty-nine thousand, nine hundred forty-seven".