5511312 has 30 divisors (see below), whose sum is σ = 15424422. Its totient is φ = 1837056.

The previous prime is 5511307. The next prime is 5511313. The reversal of 5511312 is 2131155.

It can be written as a sum of positive squares in only one way, i.e., 5363856 + 147456 = 2316^2 + 384^2 .

It is a super-2 number, since 2×5511312² = 60749119922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5511313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18993 + ... + 19280.

Almost surely, 2^5511312 is an apocalyptic number.

It is an amenable number.

5511312 is an abundant number, since it is smaller than the sum of its proper divisors (9913110).

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

5511312 is a wasteful number, since it uses less digits than its factorization.

5511312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38287 (or 38278 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 5511312 is about 2347.6183676228. The cubic root of 5511312 is about 176.6383499570.

Adding to 5511312 its reverse (2131155), we get a palindrome (7642467).

The spelling of 5511312 in words is "five million, five hundred eleven thousand, three hundred twelve".