51049298752 has 28 divisors (see below), whose sum is σ = 101333201956. Its totient is φ = 25516523520.

The previous prime is 51049298747. The next prime is 51049298791. The reversal of 51049298752 is 25789294015.

51049298752 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 2 ways, for example, as 6301819456 + 44747479296 = 79384^2 + 211536^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51049298752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78208 + ... + 328960.

It is an arithmetic number, because the mean of its divisors is an integer number (3619042927).

Almost surely, 2^51049298752 is an apocalyptic number.

It is an amenable number.

51049298752 is a deficient number, since it is larger than the sum of its proper divisors (50283903204).

51049298752 is a wasteful number, since it uses less digits than its factorization.

51049298752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253946 (or 253936 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 51049298752 in words is "fifty-one billion, forty-nine million, two hundred ninety-eight thousand, seven hundred fifty-two".