51555030350 has 96 divisors (see below), whose sum is σ = 102087216000. Its totient is φ = 19315670400.

The previous prime is 51555030349. The next prime is 51555030383. The reversal of 51555030350 is 5303055515.

It is a super-2 number, since 2×51555030350² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43432457 + ... + 43433643.

It is an arithmetic number, because the mean of its divisors is an integer number (1063408500).

Almost surely, 2^51555030350 is an apocalyptic number.

51555030350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51555030350 is a deficient number, since it is larger than the sum of its proper divisors (50532185650).

51555030350 is a wasteful number, since it uses less digits than its factorization.

51555030350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 32.

Adding to 51555030350 its reverse (5303055515), we get a palindrome (56858085865).

The spelling of 51555030350 in words is "fifty-one billion, five hundred fifty-five million, thirty thousand, three hundred fifty".