5515847385 has 16 divisors (see below), whose sum is σ = 9013130496. Its totient is φ = 2879193728.

The previous prime is 5515847371. The next prime is 5515847399. The reversal of 5515847385 is 5837485155.

It is an interprime number because it is at equal distance from previous prime (5515847371) and next prime (5515847399).

It is a cyclic number.

It is not a de Polignac number, because 5515847385 - 2²⁵ = 5482292953 is a prime.

It is a super-2 number, since 2×5515847385² = 60849144749222676450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3911244 + ... + 3912653.

It is an arithmetic number, because the mean of its divisors is an integer number (563320656).

Almost surely, 2^5515847385 is an apocalyptic number.

It is an amenable number.

5515847385 is a deficient number, since it is larger than the sum of its proper divisors (3497283111).

5515847385 is a wasteful number, since it uses less digits than its factorization.

5515847385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823952.

The product of its digits is 3360000, while the sum is 51.

The square root of 5515847385 is about 74268.7510666498. The cubic root of 5515847385 is about 1766.8678992129.

The spelling of 5515847385 in words is "five billion, five hundred fifteen million, eight hundred forty-seven thousand, three hundred eighty-five".