5615601566550 has 48 divisors (see below), whose sum is σ = 14532200236800. Its totient is φ = 1432385326240.

The previous prime is 5615601566537. The next prime is 5615601566579. The reversal of 5615601566550 is 556651065165.

It is a junction number, because it is equal to n+sod(n) for n = 5615601566493 and 5615601566502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813851850 + ... + 813858749.

It is an arithmetic number, because the mean of its divisors is an integer number (302754171600).

Almost surely, 2^{5615601566550} is an apocalyptic number.

5615601566550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5615601566550 is an abundant number, since it is smaller than the sum of its proper divisors (8916598670250).

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

5615601566550 is a wasteful number, since it uses less digits than its factorization.

5615601566550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627710637 (or 1627710632 counting only the distinct ones).

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

The spelling of 5615601566550 in words is "five trillion, six hundred fifteen billion, six hundred one million, five hundred sixty-six thousand, five hundred fifty".