5515630442 has 16 divisors (see below), whose sum is σ = 9459270720. Its totient is φ = 2362865568.

The previous prime is 5515630427. The next prime is 5515630451. The reversal of 5515630442 is 2440365155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45683 + ... + 114534.

It is an arithmetic number, because the mean of its divisors is an integer number (591204420).

Almost surely, 2^5515630442 is an apocalyptic number.

5515630442 is a deficient number, since it is larger than the sum of its proper divisors (3943640278).

5515630442 is a wasteful number, since it uses less digits than its factorization.

5515630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162685.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5515630442 is about 74267.2905255066. The cubic root of 5515630442 is about 1766.8447347668.

Adding to 5515630442 its reverse (2440365155), we get a palindrome (7955995597).

The spelling of 5515630442 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, four hundred forty-two".