51002068 has 48 divisors (see below), whose sum is σ = 102735360. Its totient is φ = 21974400.

The previous prime is 51002051. The next prime is 51002087. The reversal of 51002068 is 86020015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46203 + ... + 47293.

It is an arithmetic number, because the mean of its divisors is an integer number (2140320).

Almost surely, 2^51002068 is an apocalyptic number.

51002068 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51002068 is an abundant number, since it is smaller than the sum of its proper divisors (51733292).

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

51002068 is a wasteful number, since it uses less digits than its factorization.

51002068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 51002068 is about 7141.5732160358. The cubic root of 51002068 is about 370.8479892986.

The spelling of 51002068 in words is "fifty-one million, two thousand, sixty-eight".