5550511655 has 32 divisors (see below), whose sum is σ = 7349952960. Its totient is φ = 3998592000.

The previous prime is 5550511651. The next prime is 5550511663. The reversal of 5550511655 is 5561150555.

It is a happy number.

It is not a de Polignac number, because 5550511655 - 2² = 5550511651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550511651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612155 + ... + 621155.

It is an arithmetic number, because the mean of its divisors is an integer number (229686030).

Almost surely, 2^5550511655 is an apocalyptic number.

5550511655 is a deficient number, since it is larger than the sum of its proper divisors (1799441305).

5550511655 is a wasteful number, since it uses less digits than its factorization.

5550511655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 93750, while the sum is 38.

The square root of 5550511655 is about 74501.7560531294. The cubic root of 5550511655 is about 1770.5614585976.

The spelling of 5550511655 in words is "five billion, five hundred fifty million, five hundred eleven thousand, six hundred fifty-five".