51528852755 has 4 divisors (see below), whose sum is σ = 61834623312. Its totient is φ = 41223082200.

The previous prime is 51528852731. The next prime is 51528852787. The reversal of 51528852755 is 55725882515.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51528852755 - 2⁸ = 51528852499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51528852697 and 51528852706.

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, 5152885271 + ... + 5152885280.

It is an arithmetic number, because the mean of its divisors is an integer number (15458655828).

Almost surely, 2^51528852755 is an apocalyptic number.

51528852755 is a deficient number, since it is larger than the sum of its proper divisors (10305770557).

51528852755 is a wasteful number, since it uses less digits than its factorization.

51528852755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10305770556.

The product of its digits is 5600000, while the sum is 53.

The spelling of 51528852755 in words is "fifty-one billion, five hundred twenty-eight million, eight hundred fifty-two thousand, seven hundred fifty-five".