52986897 has 12 divisors (see below), whose sum is σ = 77834640. Its totient is φ = 34725528.

The previous prime is 52986889. The next prime is 52986931. The reversal of 52986897 is 79868925.

It is a happy number.

It is not a de Polignac number, because 52986897 - 2³ = 52986889 is a prime.

It is a super-2 number, since 2×52986897² = 5615222507377218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52986827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49363 + ... + 50424.

It is an arithmetic number, because the mean of its divisors is an integer number (6486220).

Almost surely, 2^52986897 is an apocalyptic number.

It is an amenable number.

52986897 is a deficient number, since it is larger than the sum of its proper divisors (24847743).

52986897 is a wasteful number, since it uses less digits than its factorization.

52986897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99852 (or 99849 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 52986897 is about 7279.2099159181. The cubic root of 52986897 is about 375.5976177687.

The spelling of 52986897 in words is "fifty-two million, nine hundred eighty-six thousand, eight hundred ninety-seven".