53199693 has 8 divisors (see below), whose sum is σ = 78814400. Its totient is φ = 35466444.

The previous prime is 53199691. The next prime is 53199719. The reversal of 53199693 is 39699135.

It is not a de Polignac number, because 53199693 - 2¹ = 53199691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53199691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985153 + ... + 985206.

It is an arithmetic number, because the mean of its divisors is an integer number (9851800).

Almost surely, 2^53199693 is an apocalyptic number.

It is an amenable number.

53199693 is a deficient number, since it is larger than the sum of its proper divisors (25614707).

53199693 is a wasteful number, since it uses less digits than its factorization.

53199693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970368 (or 1970362 counting only the distinct ones).

The product of its digits is 196830, while the sum is 45.

The square root of 53199693 is about 7293.8119663177. The cubic root of 53199693 is about 376.0997476608.

The spelling of 53199693 in words is "fifty-three million, one hundred ninety-nine thousand, six hundred ninety-three".