51136552184 has 8 divisors (see below), whose sum is σ = 95881035360. Its totient is φ = 25568276088.

The previous prime is 51136552153. The next prime is 51136552193. The reversal of 51136552184 is 48125563115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51136552184² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196034504 + ... + 3196034519.

It is an arithmetic number, because the mean of its divisors is an integer number (11985129420).

Almost surely, 2^51136552184 is an apocalyptic number.

It is an amenable number.

51136552184 is a deficient number, since it is larger than the sum of its proper divisors (44744483176).

51136552184 is a wasteful number, since it uses less digits than its factorization.

51136552184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392069029 (or 6392069025 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The spelling of 51136552184 in words is "fifty-one billion, one hundred thirty-six million, five hundred fifty-two thousand, one hundred eighty-four".