5515630399 has 16 divisors (see below), whose sum is σ = 5945702400. Its totient is φ = 5097492864.

The previous prime is 5515630363. The next prime is 5515630427. The reversal of 5515630399 is 9930365155.

It is a cyclic number.

It is not a de Polignac number, because 5515630399 - 2¹⁵ = 5515597631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515633399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087732 + ... + 1092790.

It is an arithmetic number, because the mean of its divisors is an integer number (371606400).

Almost surely, 2^5515630399 is an apocalyptic number.

5515630399 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5515630399 is a deficient number, since it is larger than the sum of its proper divisors (430072001).

5515630399 is a wasteful number, since it uses less digits than its factorization.

5515630399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222.

The product of its (nonzero) digits is 546750, while the sum is 46.

The square root of 5515630399 is about 74267.2902360117. The cubic root of 5515630399 is about 1766.8447301754.

The spelling of 5515630399 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, three hundred ninety-nine".