5515665383 has 2 divisors, whose sum is σ = 5515665384. Its totient is φ = 5515665382.

The previous prime is 5515665373. The next prime is 5515665431. The reversal of 5515665383 is 3835665155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5515665383 - 2²² = 5511471079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515665373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757832691 + 2757832692.

It is an arithmetic number, because the mean of its divisors is an integer number (2757832692).

Almost surely, 2^5515665383 is an apocalyptic number.

5515665383 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515665383 is an equidigital number, since it uses as much as digits as its factorization.

5515665383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620000, while the sum is 47.

The square root of 5515665383 is about 74267.5257632836. The cubic root of 5515665383 is about 1766.8484656907.

The spelling of 5515665383 in words is "five billion, five hundred fifteen million, six hundred sixty-five thousand, three hundred eighty-three".