51550303502 has 32 divisors (see below), whose sum is σ = 80441962272. Its totient is φ = 24754857984.

The previous prime is 51550303501. The next prime is 51550303547. The reversal of 51550303502 is 20530305515.

It is a super-2 number, since 2×51550303502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550303501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798558 + ... + 8804414.

It is an arithmetic number, because the mean of its divisors is an integer number (2513811321).

Almost surely, 2^51550303502 is an apocalyptic number.

51550303502 is a deficient number, since it is larger than the sum of its proper divisors (28891658770).

51550303502 is a wasteful number, since it uses less digits than its factorization.

51550303502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412.

The product of its (nonzero) digits is 11250, while the sum is 29.

The spelling of 51550303502 in words is "fifty-one billion, five hundred fifty million, three hundred three thousand, five hundred two".