51603788470 has 16 divisors (see below), whose sum is σ = 100031959440. Its totient is φ = 19053706464.

The previous prime is 51603788441. The next prime is 51603788501. The reversal of 51603788470 is 7488730615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 198475980 + ... + 198476239.

It is an arithmetic number, because the mean of its divisors is an integer number (6251997465).

Almost surely, 2^51603788470 is an apocalyptic number.

51603788470 is a deficient number, since it is larger than the sum of its proper divisors (48428170970).

51603788470 is a wasteful number, since it uses less digits than its factorization.

51603788470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396952239.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 51603788470 in words is "fifty-one billion, six hundred three million, seven hundred eighty-eight thousand, four hundred seventy".