5515654987 has 8 divisors (see below), whose sum is σ = 5543699616. Its totient is φ = 5487648192.

The previous prime is 5515654957. The next prime is 5515654993. The reversal of 5515654987 is 7894565155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5515654987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515654927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309853 + ... + 327169.

It is an arithmetic number, because the mean of its divisors is an integer number (692962452).

Almost surely, 2^5515654987 is an apocalyptic number.

5515654987 is a deficient number, since it is larger than the sum of its proper divisors (28044629).

5515654987 is a wasteful number, since it uses less digits than its factorization.

5515654987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917.

The product of its digits is 7560000, while the sum is 55.

The square root of 5515654987 is about 74267.4557730370. The cubic root of 5515654987 is about 1766.8473556301.

The spelling of 5515654987 in words is "five billion, five hundred fifteen million, six hundred fifty-four thousand, nine hundred eighty-seven".