68252556 has 24 divisors (see below), whose sum is σ = 159416320. Its totient is φ = 22727952.

The previous prime is 68252549. The next prime is 68252581. The reversal of 68252556 is 65525286.

It is a happy number.

It is a super-2 number, since 2×68252556² = 9316822801066272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13125 + ... + 17571.

Almost surely, 2^68252556 is an apocalyptic number.

It is an amenable number.

68252556 is an abundant number, since it is smaller than the sum of its proper divisors (91163764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68252556 is a wasteful number, since it uses less digits than its factorization.

68252556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733 (or 5731 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 68252556 is about 8261.5105156382. The cubic root of 68252556 is about 408.6702027920.

The spelling of 68252556 in words is "sixty-eight million, two hundred fifty-two thousand, five hundred fifty-six".