51874035550 has 24 divisors (see below), whose sum is σ = 100680739056. Its totient is φ = 19847456640.

The previous prime is 51874035523. The next prime is 51874035607. The reversal of 51874035550 is 5553047815.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51874035497 and 51874035506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22552779 + ... + 22555078.

It is an arithmetic number, because the mean of its divisors is an integer number (4195030794).

Almost surely, 2^51874035550 is an apocalyptic number.

51874035550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51874035550 is a deficient number, since it is larger than the sum of its proper divisors (48806703506).

51874035550 is a wasteful number, since it uses less digits than its factorization.

51874035550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45107892 (or 45107887 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 51874035550 in words is "fifty-one billion, eight hundred seventy-four million, thirty-five thousand, five hundred fifty".