51498307075 has 6 divisors (see below), whose sum is σ = 63857900804. Its totient is φ = 41198645640.

The previous prime is 51498307061. The next prime is 51498307079. The reversal of 51498307075 is 57070389415.

It is a happy number.

It is not a de Polignac number, because 51498307075 - 2¹⁵ = 51498274307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51498307079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1029966117 + ... + 1029966166.

Almost surely, 2^51498307075 is an apocalyptic number.

51498307075 is a deficient number, since it is larger than the sum of its proper divisors (12359593729).

51498307075 is a wasteful number, since it uses less digits than its factorization.

51498307075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059932293 (or 2059932288 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 51498307075 in words is "fifty-one billion, four hundred ninety-eight million, three hundred seven thousand, seventy-five".