51745008430 has 16 divisors (see below), whose sum is σ = 93199220784. Its totient is φ = 20685068800.

The previous prime is 51745008407. The next prime is 51745008431. The reversal of 51745008430 is 3480054715.

It is a self number, because there is not a number n which added to its sum of digits gives 51745008430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51745008431) 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 7 ways as a sum of consecutive naturals, for example, 1600012 + ... + 1632031.

It is an arithmetic number, because the mean of its divisors is an integer number (5824951299).

Almost surely, 2^51745008430 is an apocalyptic number.

51745008430 is a deficient number, since it is larger than the sum of its proper divisors (41454212354).

51745008430 is a wasteful number, since it uses less digits than its factorization.

51745008430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233651.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 51745008430 in words is "fifty-one billion, seven hundred forty-five million, eight thousand, four hundred thirty".