51543525441 has 16 divisors (see below), whose sum is σ = 69039891648. Its totient is φ = 34204920000.

The previous prime is 51543525403. The next prime is 51543525457. The reversal of 51543525441 is 14452534515.

It is not a de Polignac number, because 51543525441 - 2¹⁵ = 51543492673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51543525441.

It is not an unprimeable number, because it can be changed into a prime (51543525401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291315 + ... + 1330631.

It is an arithmetic number, because the mean of its divisors is an integer number (4314993228).

Almost surely, 2^51543525441 is an apocalyptic number.

It is an amenable number.

51543525441 is a deficient number, since it is larger than the sum of its proper divisors (17496366207).

51543525441 is a wasteful number, since it uses less digits than its factorization.

51543525441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41312.

The product of its digits is 240000, while the sum is 39.

The spelling of 51543525441 in words is "fifty-one billion, five hundred forty-three million, five hundred twenty-five thousand, four hundred forty-one".