68869550 has 24 divisors (see below), whose sum is σ = 135634176. Its totient is φ = 25927040.

The previous prime is 68869529. The next prime is 68869553. The reversal of 68869550 is 5596886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68869495 and 68869504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68869553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39662 + ... + 41361.

It is an arithmetic number, because the mean of its divisors is an integer number (5651424).

Almost surely, 2^68869550 is an apocalyptic number.

68869550 is a deficient number, since it is larger than the sum of its proper divisors (66764626).

68869550 is a wasteful number, since it uses less digits than its factorization.

68869550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81052 (or 81047 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 68869550 is about 8298.7679808511. The cubic root of 68869550 is about 409.8979519970.

The spelling of 68869550 in words is "sixty-eight million, eight hundred sixty-nine thousand, five hundred fifty".