68022053 has 4 divisors (see below), whose sum is σ = 74205888. Its totient is φ = 61838220.

The previous prime is 68022011. The next prime is 68022061. The reversal of 68022053 is 35022086.

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 a de Polignac number, because none of the positive numbers 2^k-68022053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68022553) 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, 3091901 + ... + 3091922.

It is an arithmetic number, because the mean of its divisors is an integer number (18551472).

Almost surely, 2^68022053 is an apocalyptic number.

68022053 is the 4409-th centered heptagonal number.

It is an amenable number.

68022053 is a deficient number, since it is larger than the sum of its proper divisors (6183835).

68022053 is a wasteful number, since it uses less digits than its factorization.

68022053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183834.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 68022053 is about 8247.5483023745. The cubic root of 68022053 is about 408.2096293148.

The spelling of 68022053 in words is "sixty-eight million, twenty-two thousand, fifty-three".