68552101 has 4 divisors (see below), whose sum is σ = 68585292. Its totient is φ = 68518912.

The previous prime is 68552093. The next prime is 68552119. The reversal of 68552101 is 10125586.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68392900 + 159201 = 8270^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 68552101 - 2³ = 68552093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68552101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68552401) 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, 13276 + ... + 17701.

It is an arithmetic number, because the mean of its divisors is an integer number (17146323).

Almost surely, 2^68552101 is an apocalyptic number.

68552101 is the 4426-th nonagonal number.

It is an amenable number.

68552101 is a deficient number, since it is larger than the sum of its proper divisors (33191).

68552101 is a wasteful number, since it uses less digits than its factorization.

68552101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33190.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 68552101 is about 8279.6196168665. The cubic root of 68552101 is about 409.2671839375.

Adding to 68552101 its reverse (10125586), we get a palindrome (78677687).

The spelling of 68552101 in words is "sixty-eight million, five hundred fifty-two thousand, one hundred one".