51182475000 has 192 divisors, whose sum is σ = 166894318080. Its totient is φ = 13054800000.

The previous prime is 51182474971. The next prime is 51182475013. The reversal of 51182475000 is 57428115.

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, 1710165 + ... + 1739835.

It is an arithmetic number, because the mean of its divisors is an integer number (869241240).

Almost surely, 2^51182475000 is an apocalyptic number.

51182475000 is a gapful number since it is divisible by the number (50) 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 51182475000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83447159040).

51182475000 is an abundant number, since it is smaller than the sum of its proper divisors (115711843080).

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

51182475000 is a wasteful number, since it uses less digits than its factorization.

51182475000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29728 (or 29704 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The spelling of 51182475000 in words is "fifty-one billion, one hundred eighty-two million, four hundred seventy-five thousand".