5515051506 has 32 divisors (see below), whose sum is σ = 11081316480. Its totient is φ = 1829834496.

The previous prime is 5515051501. The next prime is 5515051513. The reversal of 5515051506 is 6051505155.

It is a super-2 number, since 2×5515051506² = 60831586227665736072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5515051501) 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, 1431675 + ... + 1435521.

It is an arithmetic number, because the mean of its divisors is an integer number (346291140).

Almost surely, 2^5515051506 is an apocalyptic number.

5515051506 is an abundant number, since it is smaller than the sum of its proper divisors (5566264974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5515051506 is a wasteful number, since it uses less digits than its factorization.

5515051506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 5515051506 is about 74263.3927719438. The cubic root of 5515051506 is about 1766.7829149486.

The spelling of 5515051506 in words is "five billion, five hundred fifteen million, fifty-one thousand, five hundred six".