5515630501 has 4 divisors (see below), whose sum is σ = 5840079372. Its totient is φ = 5191181632.

The previous prime is 5515630489. The next prime is 5515630507. The reversal of 5515630501 is 1050365155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4626040225 + 889590276 = 68015^2 + 29826^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515630501 - 2⁵ = 5515630469 is a prime.

It is a super-2 number, since 2×5515630501² = 60844359647123022002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515630507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162224410 + ... + 162224443.

It is an arithmetic number, because the mean of its divisors is an integer number (1460019843).

Almost surely, 2^5515630501 is an apocalyptic number.

It is an amenable number.

5515630501 is a deficient number, since it is larger than the sum of its proper divisors (324448871).

5515630501 is a wasteful number, since it uses less digits than its factorization.

5515630501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324448870.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 5515630501 is about 74267.2909227205. The cubic root of 5515630501 is about 1766.8447410667.

Adding to 5515630501 its reverse (1050365155), we get a palindrome (6565995656).

The spelling of 5515630501 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, five hundred one".