52949889 has 8 divisors (see below), whose sum is σ = 78444320. Its totient is φ = 35299908.

The previous prime is 52949881. The next prime is 52949909. The reversal of 52949889 is 98894925.

It is not a de Polignac number, because 52949889 - 2³ = 52949881 is a prime.

It is a super-2 number, since 2×52949889² = 5607381490224642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52949881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980527 + ... + 980580.

It is an arithmetic number, because the mean of its divisors is an integer number (9805540).

Almost surely, 2^52949889 is an apocalyptic number.

It is an amenable number.

52949889 is a deficient number, since it is larger than the sum of its proper divisors (25494431).

52949889 is a wasteful number, since it uses less digits than its factorization.

52949889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961116 (or 1961110 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 52949889 is about 7276.6674377767. The cubic root of 52949889 is about 375.5101536672.

The spelling of 52949889 in words is "fifty-two million, nine hundred forty-nine thousand, eight hundred eighty-nine".