68055251 has 8 divisors (see below), whose sum is σ = 74302464. Its totient is φ = 61818120.

The previous prime is 68055241. The next prime is 68055287. The reversal of 68055251 is 15255086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68055251 - 2⁶ = 68055187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68055241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22130 + ... + 25016.

It is an arithmetic number, because the mean of its divisors is an integer number (9287808).

Almost surely, 2^68055251 is an apocalyptic number.

68055251 is a deficient number, since it is larger than the sum of its proper divisors (6247213).

68055251 is a wasteful number, since it uses less digits than its factorization.

68055251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 68055251 is about 8249.5606549682. The cubic root of 68055251 is about 408.2760270914.

The spelling of 68055251 in words is "sixty-eight million, fifty-five thousand, two hundred fifty-one".