51154618383 has 48 divisors (see below), whose sum is σ = 85499960832. Its totient is φ = 29127456000.

The previous prime is 51154618337. The next prime is 51154618391. The reversal of 51154618383 is 38381645115.

51154618383 is a `hidden beast` number, since 5 + 11 + 546 + 18 + 3 + 83 = 666.

It is not a de Polignac number, because 51154618383 - 2⁸ = 51154618127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51154618283) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 934378 + ... + 987608.

It is an arithmetic number, because the mean of its divisors is an integer number (1781249184).

Almost surely, 2^51154618383 is an apocalyptic number.

51154618383 is a deficient number, since it is larger than the sum of its proper divisors (34345342449).

51154618383 is a wasteful number, since it uses less digits than its factorization.

51154618383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53836 (or 53833 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 51154618383 in words is "fifty-one billion, one hundred fifty-four million, six hundred eighteen thousand, three hundred eighty-three".