51747135045 has 32 divisors (see below), whose sum is σ = 84843690624. Its totient is φ = 26916172800.

The previous prime is 51747134981. The next prime is 51747135049. The reversal of 51747135045 is 54053174715.

It is not a de Polignac number, because 51747135045 - 2⁶ = 51747134981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51747134988 and 51747135006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51747135049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2030985 + ... + 2056305.

It is an arithmetic number, because the mean of its divisors is an integer number (2651365332).

Almost surely, 2^51747135045 is an apocalyptic number.

It is an amenable number.

51747135045 is a deficient number, since it is larger than the sum of its proper divisors (33096555579).

51747135045 is a wasteful number, since it uses less digits than its factorization.

51747135045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28693.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 51747135045 in words is "fifty-one billion, seven hundred forty-seven million, one hundred thirty-five thousand, forty-five".