53192509 has 2 divisors, whose sum is σ = 53192510. Its totient is φ = 53192508.

The previous prime is 53192479. The next prime is 53192519. The reversal of 53192509 is 90529135.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43520409 + 9672100 = 6597^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 53192509 - 2¹¹ = 53190461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53192519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26596254 + 26596255.

It is an arithmetic number, because the mean of its divisors is an integer number (26596255).

Almost surely, 2^53192509 is an apocalyptic number.

It is an amenable number.

53192509 is a deficient number, since it is larger than the sum of its proper divisors (1).

53192509 is an equidigital number, since it uses as much as digits as its factorization.

53192509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 53192509 is about 7293.3194774396. The cubic root of 53192509 is about 376.0828175993.

The spelling of 53192509 in words is "fifty-three million, one hundred ninety-two thousand, five hundred nine".