53010989 has 2 divisors, whose sum is σ = 53010990. Its totient is φ = 53010988.

The previous prime is 53010953. The next prime is 53011001. The reversal of 53010989 is 98901035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 13446889 = 6290^2 + 3667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53010989 is a prime.

53010989 is a modest number, since divided by 10989 gives 53 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53010389) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505494 + 26505495.

It is an arithmetic number, because the mean of its divisors is an integer number (26505495).

Almost surely, 2^53010989 is an apocalyptic number.

It is an amenable number.

53010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

53010989 is an equidigital number, since it uses as much as digits as its factorization.

53010989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 53010989 is about 7280.8645777820. The cubic root of 53010989 is about 375.6545345238.

The spelling of 53010989 in words is "fifty-three million, ten thousand, nine hundred eighty-nine".