51906061802 has 8 divisors (see below), whose sum is σ = 88981820256. Its totient is φ = 22245455052.

The previous prime is 51906061799. The next prime is 51906061843. The reversal of 51906061802 is 20816060915.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853787908 + ... + 1853787935.

It is an arithmetic number, because the mean of its divisors is an integer number (11122727532).

Almost surely, 2^51906061802 is an apocalyptic number.

51906061802 is a deficient number, since it is larger than the sum of its proper divisors (37075758454).

51906061802 is a wasteful number, since it uses less digits than its factorization.

51906061802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707575852.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 51906061802 in words is "fifty-one billion, nine hundred six million, sixty-one thousand, eight hundred two".