551000555046 has 24 divisors (see below), whose sum is σ = 1196841691344. Its totient is φ = 183204212400.

The previous prime is 551000555029. The next prime is 551000555051. The reversal of 551000555046 is 640555000155.

551000555046 is a `hidden beast` number, since 5 + 510 + 0 + 0 + 55 + 50 + 46 = 666.

It is a super-2 number, since 2×551000555046² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551000555046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38545930 + ... + 38560221.

It is an arithmetic number, because the mean of its divisors is an integer number (49868403806).

Almost surely, 2^551000555046 is an apocalyptic number.

551000555046 is an abundant number, since it is smaller than the sum of its proper divisors (645841136298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551000555046 is a wasteful number, since it uses less digits than its factorization.

551000555046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77106556 (or 77106553 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 551000555046 in words is "five hundred fifty-one billion, five hundred fifty-five thousand, forty-six".