53193817 has 2 divisors, whose sum is σ = 53193818. Its totient is φ = 53193816.

The previous prime is 53193797. The next prime is 53193841. The reversal of 53193817 is 71839135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49617936 + 3575881 = 7044^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 53193817 - 2¹⁵ = 53161049 is a prime.

It is not a weakly prime, because it can be changed into another prime (53113817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26596908 + 26596909.

It is an arithmetic number, because the mean of its divisors is an integer number (26596909).

Almost surely, 2^53193817 is an apocalyptic number.

It is an amenable number.

53193817 is a deficient number, since it is larger than the sum of its proper divisors (1).

53193817 is an equidigital number, since it uses as much as digits as its factorization.

53193817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 53193817 is about 7293.4091479911. The cubic root of 53193817 is about 376.0859001906.

The spelling of 53193817 in words is "fifty-three million, one hundred ninety-three thousand, eight hundred seventeen".