5515605501 has 32 divisors (see below), whose sum is σ = 8555289600. Its totient is φ = 3095418240.

The previous prime is 5515605463. The next prime is 5515605521. The reversal of 5515605501 is 1055065155.

It is not a de Polignac number, because 5515605501 - 2⁷ = 5515605373 is a prime.

It is a super-2 number, since 2×5515605501² = 60843808085322922002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515605521) 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, 2587206 + ... + 2589336.

It is an arithmetic number, because the mean of its divisors is an integer number (267352800).

Almost surely, 2^5515605501 is an apocalyptic number.

It is an amenable number.

5515605501 is a deficient number, since it is larger than the sum of its proper divisors (3039684099).

5515605501 is a wasteful number, since it uses less digits than its factorization.

5515605501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 5515605501 is about 74267.1226115567. The cubic root of 5515605501 is about 1766.8420716115.

The spelling of 5515605501 in words is "five billion, five hundred fifteen million, six hundred five thousand, five hundred one".