52986889 has 2 divisors, whose sum is σ = 52986890. Its totient is φ = 52986888.

The previous prime is 52986887. The next prime is 52986931. The reversal of 52986889 is 98868925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31753225 + 21233664 = 5635^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 52986889 - 2¹ = 52986887 is a prime.

It is a super-2 number, since 2×52986889² = 5615220811796642, which contains 22 as substring.

Together with 52986887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52986881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26493444 + 26493445.

It is an arithmetic number, because the mean of its divisors is an integer number (26493445).

Almost surely, 2^52986889 is an apocalyptic number.

It is an amenable number.

52986889 is a deficient number, since it is larger than the sum of its proper divisors (1).

52986889 is an equidigital number, since it uses as much as digits as its factorization.

52986889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 55.

The square root of 52986889 is about 7279.2093664079. The cubic root of 52986889 is about 375.5975988661.

The spelling of 52986889 in words is "fifty-two million, nine hundred eighty-six thousand, eight hundred eighty-nine".