51292421475 has 48 divisors (see below), whose sum is σ = 85681801728. Its totient is φ = 27073146240.

The previous prime is 51292421431. The next prime is 51292421483. The reversal of 51292421475 is 57412429215.

It is a happy number.

It is not a de Polignac number, because 51292421475 - 2¹¹ = 51292419427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9924342 + ... + 9929508.

It is an arithmetic number, because the mean of its divisors is an integer number (1785037536).

Almost surely, 2^51292421475 is an apocalyptic number.

51292421475 is a deficient number, since it is larger than the sum of its proper divisors (34389380253).

51292421475 is a wasteful number, since it uses less digits than its factorization.

51292421475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524 (or 6519 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The spelling of 51292421475 in words is "fifty-one billion, two hundred ninety-two million, four hundred twenty-one thousand, four hundred seventy-five".