51752950947 has 12 divisors (see below), whose sum is σ = 76672789720. Its totient is φ = 34501179240.

The previous prime is 51752950933. The next prime is 51752950967. The reversal of 51752950947 is 74905925715.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

51752950947 is a `hidden beast` number, since 5 + 1 + 75 + 29 + 509 + 47 = 666.

51752950947 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 51752950947 - 2¹⁶ = 51752885411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51752950893 and 51752950902.

It is not an unprimeable number, because it can be changed into a prime (51752950967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1160197 + ... + 1203977.

Almost surely, 2^51752950947 is an apocalyptic number.

51752950947 is a deficient number, since it is larger than the sum of its proper divisors (24919838773).

51752950947 is an frugal number, since it uses more digits than its factorization.

51752950947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87571 (or 43784 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 54.

The spelling of 51752950947 in words is "fifty-one billion, seven hundred fifty-two million, nine hundred fifty thousand, nine hundred forty-seven".