551618049748 has 6 divisors (see below), whose sum is σ = 965331587066. Its totient is φ = 275809024872.

The previous prime is 551618049629. The next prime is 551618049901. The reversal of 551618049748 is 847940816155.

It can be written as a sum of positive squares in only one way, i.e., 488771570884 + 62846478864 = 699122^2 + 250692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 551618049692 and 551618049701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68952256215 + ... + 68952256222.

Almost surely, 2^551618049748 is an apocalyptic number.

It is an amenable number.

551618049748 is a deficient number, since it is larger than the sum of its proper divisors (413713537318).

551618049748 is a wasteful number, since it uses less digits than its factorization.

551618049748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137904512441 (or 137904512439 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 551618049748 in words is "five hundred fifty-one billion, six hundred eighteen million, forty-nine thousand, seven hundred forty-eight".