5515662551 has 8 divisors (see below), whose sum is σ = 6635383680. Its totient is φ = 4478883768.

The previous prime is 5515662547. The next prime is 5515662577. The reversal of 5515662551 is 1552665155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5515662551 - 2² = 5515662547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5515662499 and 5515662508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515662521) 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, 20735441 + ... + 20735706.

It is an arithmetic number, because the mean of its divisors is an integer number (829422960).

Almost surely, 2^5515662551 is an apocalyptic number.

5515662551 is a deficient number, since it is larger than the sum of its proper divisors (1119721129).

5515662551 is a wasteful number, since it uses less digits than its factorization.

5515662551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41471173.

The product of its digits is 225000, while the sum is 41.

The square root of 5515662551 is about 74267.5066970745. The cubic root of 5515662551 is about 1766.8481632965.

The spelling of 5515662551 in words is "five billion, five hundred fifteen million, six hundred sixty-two thousand, five hundred fifty-one".