51868002 has 16 divisors (see below), whose sum is σ = 103940640. Its totient is φ = 17255232.

The previous prime is 51867971. The next prime is 51868027. The reversal of 51868002 is 20086815.

51868002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5127 + ... + 11402.

It is an arithmetic number, because the mean of its divisors is an integer number (6496290).

Almost surely, 2^51868002 is an apocalyptic number.

51868002 is an abundant number, since it is smaller than the sum of its proper divisors (52072638).

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

51868002 is a wasteful number, since it uses less digits than its factorization.

51868002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17057.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 51868002 is about 7201.9443208067. The cubic root of 51868002 is about 372.9350249915.

The spelling of 51868002 in words is "fifty-one million, eight hundred sixty-eight thousand, two".