51283168092 has 144 divisors (see below), whose sum is σ = 147856730112. Its totient is φ = 15443524800.

The previous prime is 51283168087. The next prime is 51283168159. The reversal of 51283168092 is 29086138215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550717 + ... + 637067.

It is an arithmetic number, because the mean of its divisors is an integer number (1026782848).

Almost surely, 2^51283168092 is an apocalyptic number.

51283168092 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51283168092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73928365056).

51283168092 is an abundant number, since it is smaller than the sum of its proper divisors (96573562020).

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

51283168092 is a wasteful number, since it uses less digits than its factorization.

51283168092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86430 (or 86416 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 51283168092 in words is "fifty-one billion, two hundred eighty-three million, one hundred sixty-eight thousand, ninety-two".