5531512 has 48 divisors (see below), whose sum is σ = 12270960. Its totient is φ = 2330496.

The previous prime is 5531509. The next prime is 5531521. The reversal of 5531512 is 2151355.

It is a super-2 number, since 2×5531512² = 61195250012288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40308 + ... + 40444.

It is an arithmetic number, because the mean of its divisors is an integer number (255645).

Almost surely, 2^5531512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5531512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6135480).

5531512 is an abundant number, since it is smaller than the sum of its proper divisors (6739448).

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

5531512 is a wasteful number, since it uses less digits than its factorization.

5531512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 249 counting only the distinct ones).

The product of its digits is 750, while the sum is 22.

The square root of 5531512 is about 2351.9166651903. The cubic root of 5531512 is about 176.8538911492.

Adding to 5531512 its reverse (2151355), we get a palindrome (7682867).

The spelling of 5531512 in words is "five million, five hundred thirty-one thousand, five hundred twelve".