51889148774 has 16 divisors (see below), whose sum is σ = 79497676800. Its totient is φ = 25390033224.

The previous prime is 51889148771. The next prime is 51889148777. The reversal of 51889148774 is 47784198815.

It is an interprime number because it is at equal distance from previous prime (51889148771) and next prime (51889148777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51889148771) 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 7 ways as a sum of consecutive naturals, for example, 1221707 + ... + 1263465.

It is an arithmetic number, because the mean of its divisors is an integer number (4968604800).

Almost surely, 2^51889148774 is an apocalyptic number.

51889148774 is a deficient number, since it is larger than the sum of its proper divisors (27608528026).

51889148774 is a wasteful number, since it uses less digits than its factorization.

51889148774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55027.

The product of its digits is 18063360, while the sum is 62.

The spelling of 51889148774 in words is "fifty-one billion, eight hundred eighty-nine million, one hundred forty-eight thousand, seven hundred seventy-four".