51286002 has 8 divisors (see below), whose sum is σ = 102572016. Its totient is φ = 17095332.

The previous prime is 51285979. The next prime is 51286003. The reversal of 51286002 is 20068215.

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

51286002 is an admirable number.

It is a super-4 number, since 4×51286002⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (51286003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4273828 + ... + 4273839.

It is an arithmetic number, because the mean of its divisors is an integer number (12821502).

Almost surely, 2^51286002 is an apocalyptic number.

51286002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51286002 is a wasteful number, since it uses less digits than its factorization.

51286002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547672.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 51286002 is about 7161.4245789508. The cubic root of 51286002 is about 371.5348997221.

The spelling of 51286002 in words is "fifty-one million, two hundred eighty-six thousand, two".