53158489 has 2 divisors, whose sum is σ = 53158490. Its totient is φ = 53158488.

The previous prime is 53158471. The next prime is 53158513. The reversal of 53158489 is 98485135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35010889 + 18147600 = 5917^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 53158489 - 2¹³ = 53150297 is a prime.

It is not a weakly prime, because it can be changed into another prime (53128489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26579244 + 26579245.

It is an arithmetic number, because the mean of its divisors is an integer number (26579245).

Almost surely, 2^53158489 is an apocalyptic number.

It is an amenable number.

53158489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53158489 is an equidigital number, since it uses as much as digits as its factorization.

53158489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 43.

The square root of 53158489 is about 7290.9868330700. The cubic root of 53158489 is about 376.0026241895.

The spelling of 53158489 in words is "fifty-three million, one hundred fifty-eight thousand, four hundred eighty-nine".