51774461000 has 32 divisors (see below), whose sum is σ = 121152241080. Its totient is φ = 20709784000.

The previous prime is 51774460999. The next prime is 51774461041. The reversal of 51774461000 is 16447715.

It is a happy number.

51774461000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11624721124 + 40149739876 = 107818^2 + 200374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25886231 + ... + 25888230.

Almost surely, 2^51774461000 is an apocalyptic number.

51774461000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51774461000 is an abundant number, since it is smaller than the sum of its proper divisors (69377780080).

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

51774461000 is a wasteful number, since it uses less digits than its factorization.

51774461000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51774482 (or 51774468 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 51774461000 in words is "fifty-one billion, seven hundred seventy-four million, four hundred sixty-one thousand".