68550058 has 4 divisors (see below), whose sum is σ = 102825090. Its totient is φ = 34275028.

The previous prime is 68550049. The next prime is 68550059. The reversal of 68550058 is 85005586.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 15944049 = 7253^2 + 3993^2 .

It is a super-2 number, since 2×68550058² = 9398220903606728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68549999 and 68550026.

It is not an unprimeable number, because it can be changed into a prime (68550059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17137513 + ... + 17137516.

Almost surely, 2^68550058 is an apocalyptic number.

68550058 is a deficient number, since it is larger than the sum of its proper divisors (34275032).

68550058 is a wasteful number, since it uses less digits than its factorization.

68550058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34275031.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 68550058 is about 8279.4962407142. The cubic root of 68550058 is about 409.2631182165.

The spelling of 68550058 in words is "sixty-eight million, five hundred fifty thousand, fifty-eight".