68193053 has 4 divisors (see below), whose sum is σ = 68284608. Its totient is φ = 68101500.

The previous prime is 68193029. The next prime is 68193061. The reversal of 68193053 is 35039186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68193053 - 2¹² = 68188957 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 (68193253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44651 + ... + 46152.

It is an arithmetic number, because the mean of its divisors is an integer number (17071152).

Almost surely, 2^68193053 is an apocalyptic number.

It is an amenable number.

68193053 is a deficient number, since it is larger than the sum of its proper divisors (91555).

68193053 is an equidigital number, since it uses as much as digits as its factorization.

68193053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91554.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 68193053 is about 8257.9085124504. The cubic root of 68193053 is about 408.5514078607.

The spelling of 68193053 in words is "sixty-eight million, one hundred ninety-three thousand, fifty-three".