5516391554250 has 32 divisors (see below), whose sum is σ = 13768913321280. Its totient is φ = 1471037747600.

The previous prime is 5516391554183. The next prime is 5516391554257. The reversal of 5516391554250 is 524551936155.

It is a junction number, because it is equal to n+sod(n) for n = 5516391554193 and 5516391554202.

It is not an unprimeable number, because it can be changed into a prime (5516391554257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3677593620 + ... + 3677595119.

It is an arithmetic number, because the mean of its divisors is an integer number (430278541290).

Almost surely, 2^{5516391554250} is an apocalyptic number.

5516391554250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5516391554250 is an abundant number, since it is smaller than the sum of its proper divisors (8252521767030).

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

5516391554250 is a wasteful number, since it uses less digits than its factorization.

5516391554250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355188759 (or 7355188749 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 5516391554250 in words is "five trillion, five hundred sixteen billion, three hundred ninety-one million, five hundred fifty-four thousand, two hundred fifty".