5501155566 has 32 divisors (see below), whose sum is σ = 11279268000. Its totient is φ = 1787627520.

The previous prime is 5501155559. The next prime is 5501155567. The reversal of 5501155566 is 6655511055.

It is a super-2 number, since 2×5501155566² = 60525425122665560712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501155567) 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, 343710 + ... + 359358.

It is an arithmetic number, because the mean of its divisors is an integer number (352477125).

Almost surely, 2^5501155566 is an apocalyptic number.

5501155566 is an abundant number, since it is smaller than the sum of its proper divisors (5778112434).

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

5501155566 is a wasteful number, since it uses less digits than its factorization.

5501155566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17124.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 5501155566 is about 74169.7752861636. The cubic root of 5501155566 is about 1765.2977817488.

The spelling of 5501155566 in words is "five billion, five hundred one million, one hundred fifty-five thousand, five hundred sixty-six".