55250867992 has 8 divisors (see below), whose sum is σ = 103595377500. Its totient is φ = 27625433992.

The previous prime is 55250867989. The next prime is 55250868041. The reversal of 55250867992 is 29976805255.

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

It is a super-2 number, since 2×55250867992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3453179242 + ... + 3453179257.

Almost surely, 2^55250867992 is an apocalyptic number.

It is an amenable number.

55250867992 is a deficient number, since it is larger than the sum of its proper divisors (48344509508).

55250867992 is a wasteful number, since it uses less digits than its factorization.

55250867992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906358505 (or 6906358501 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 55250867992 in words is "fifty-five billion, two hundred fifty million, eight hundred sixty-seven thousand, nine hundred ninety-two".