51541483547 has 4 divisors (see below), whose sum is σ = 51560840880. Its totient is φ = 51522126216.

The previous prime is 51541483529. The next prime is 51541483561. The reversal of 51541483547 is 74538414515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74538414515 = 5 ⋅14907682903.

It is a cyclic number.

It is not a de Polignac number, because 51541483547 - 2⁸ = 51541483291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51541483517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9674672 + ... + 9679997.

It is an arithmetic number, because the mean of its divisors is an integer number (12890210220).

Almost surely, 2^51541483547 is an apocalyptic number.

51541483547 is a deficient number, since it is larger than the sum of its proper divisors (19357333).

51541483547 is a wasteful number, since it uses less digits than its factorization.

51541483547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19357332.

The product of its digits is 1344000, while the sum is 47.

The spelling of 51541483547 in words is "fifty-one billion, five hundred forty-one million, four hundred eighty-three thousand, five hundred forty-seven".