51471053244 has 72 divisors (see below), whose sum is σ = 142759405152. Its totient is φ = 15538423680.

The previous prime is 51471053243. The next prime is 51471053273. The reversal of 51471053244 is 44235017415.

51471053244 is a `hidden beast` number, since 5 + 14 + 71 + 0 + 532 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 51471053199 and 51471053208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51471053243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012752 + ... + 1062359.

It is an arithmetic number, because the mean of its divisors is an integer number (1982769516).

Almost surely, 2^51471053244 is an apocalyptic number.

It is an amenable number.

51471053244 is an abundant number, since it is smaller than the sum of its proper divisors (91288351908).

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

51471053244 is a wasteful number, since it uses less digits than its factorization.

51471053244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075187 (or 2075182 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 51471053244 in words is "fifty-one billion, four hundred seventy-one million, fifty-three thousand, two hundred forty-four".