52550489 has 2 divisors, whose sum is σ = 52550490. Its totient is φ = 52550488.

The previous prime is 52550467. The next prime is 52550503. The reversal of 52550489 is 98405525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33120025 + 19430464 = 5755^2 + 4408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52550489 is a prime.

It is not a weakly prime, because it can be changed into another prime (52550419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275244 + 26275245.

It is an arithmetic number, because the mean of its divisors is an integer number (26275245).

Almost surely, 2^52550489 is an apocalyptic number.

It is an amenable number.

52550489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52550489 is an equidigital number, since it uses as much as digits as its factorization.

52550489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 52550489 is about 7249.1716078460. The cubic root of 52550489 is about 374.5636144515.

The spelling of 52550489 in words is "fifty-two million, five hundred fifty thousand, four hundred eighty-nine".