51355454264 has 32 divisors (see below), whose sum is σ = 97662801600. Its totient is φ = 25313756160.

The previous prime is 51355454221. The next prime is 51355454303. The reversal of 51355454264 is 46245455315.

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, 132929 + ... + 346959.

It is an arithmetic number, because the mean of its divisors is an integer number (3051962550).

Almost surely, 2^51355454264 is an apocalyptic number.

It is an amenable number.

51355454264 is a deficient number, since it is larger than the sum of its proper divisors (46307347336).

51355454264 is a wasteful number, since it uses less digits than its factorization.

51355454264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214463 (or 214459 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

The spelling of 51355454264 in words is "fifty-one billion, three hundred fifty-five million, four hundred fifty-four thousand, two hundred sixty-four".