5551000500056 has 32 divisors (see below), whose sum is σ = 11355669374400. Its totient is φ = 2522882007840.

The previous prime is 5551000500053. The next prime is 5551000500107. The reversal of 5551000500056 is 6500050001555.

It is a junction number, because it is equal to n+sod(n) for n = 5551000499995 and 5551000500031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551000500053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005390 + ... + 4487133.

It is an arithmetic number, because the mean of its divisors is an integer number (354864667950).

Almost surely, 2^{5551000500056} is an apocalyptic number.

It is an amenable number.

5551000500056 is an abundant number, since it is smaller than the sum of its proper divisors (5804668874344).

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

5551000500056 is a wasteful number, since it uses less digits than its factorization.

5551000500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500959 (or 7500955 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 5551000500056 in words is "five trillion, five hundred fifty-one billion, five hundred thousand, fifty-six".