51454178050 has 48 divisors (see below), whose sum is σ = 104538746592. Its totient is φ = 18686678400.

The previous prime is 51454178047. The next prime is 51454178051. The reversal of 51454178050 is 5087145415.

It is a super-2 number, since 2×51454178050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51454177994 and 51454178012.

It is not an unprimeable number, because it can be changed into a prime (51454178051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373414 + ... + 492286.

It is an arithmetic number, because the mean of its divisors is an integer number (2177890554).

Almost surely, 2^51454178050 is an apocalyptic number.

51454178050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51454178050 is an abundant number, since it is smaller than the sum of its proper divisors (53084568542).

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

51454178050 is a wasteful number, since it uses less digits than its factorization.

51454178050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119683 (or 119678 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 51454178050 in words is "fifty-one billion, four hundred fifty-four million, one hundred seventy-eight thousand, fifty".