53315189 has 2 divisors, whose sum is σ = 53315190. Its totient is φ = 53315188.

The previous prime is 53315149. The next prime is 53315201. The reversal of 53315189 is 98151335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27984100 + 25331089 = 5290^2 + 5033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53315189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53315149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26657594 + 26657595.

It is an arithmetic number, because the mean of its divisors is an integer number (26657595).

Almost surely, 2^53315189 is an apocalyptic number.

It is an amenable number.

53315189 is a deficient number, since it is larger than the sum of its proper divisors (1).

53315189 is an equidigital number, since it uses as much as digits as its factorization.

53315189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 53315189 is about 7301.7250701461. The cubic root of 53315189 is about 376.3717205323.

The spelling of 53315189 in words is "fifty-three million, three hundred fifteen thousand, one hundred eighty-nine".