51013663050 has 288 divisors, whose sum is σ = 155162068992. Its totient is φ = 10844824320.

The previous prime is 51013663033. The next prime is 51013663061. The reversal of 51013663050 is 5036631015.

51013663050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 51013662999 and 51013663017.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33060579 + ... + 33062121.

It is an arithmetic number, because the mean of its divisors is an integer number (538757184).

Almost surely, 2^51013663050 is an apocalyptic number.

51013663050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51013663050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77581034496).

51013663050 is an abundant number, since it is smaller than the sum of its proper divisors (104148405942).

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

51013663050 is a wasteful number, since it uses less digits than its factorization.

51013663050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 51013663050 in words is "fifty-one billion, thirteen million, six hundred sixty-three thousand, fifty".