51725824755 has 48 divisors (see below), whose sum is σ = 91350443520. Its totient is φ = 24974044480.

The previous prime is 51725824747. The next prime is 51725824757. The reversal of 51725824755 is 55742852715.

51725824755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51725824755 - 2³ = 51725824747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51725824698 and 51725824707.

It is not an unprimeable number, because it can be changed into a prime (51725824757) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374164 + ... + 493406.

It is an arithmetic number, because the mean of its divisors is an integer number (1903134240).

Almost surely, 2^51725824755 is an apocalyptic number.

51725824755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51725824755 is a deficient number, since it is larger than the sum of its proper divisors (39624618765).

51725824755 is a wasteful number, since it uses less digits than its factorization.

51725824755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119512 (or 119501 counting only the distinct ones).

The product of its digits is 3920000, while the sum is 51.

The spelling of 51725824755 in words is "fifty-one billion, seven hundred twenty-five million, eight hundred twenty-four thousand, seven hundred fifty-five".