5511239 has 4 divisors (see below), whose sum is σ = 5526624. Its totient is φ = 5495856.

The previous prime is 5511227. The next prime is 5511251. The reversal of 5511239 is 9321155.

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

It is an interprime number because it is at equal distance from previous prime (5511227) and next prime (5511251).

It is a cyclic number.

It is not a de Polignac number, because 5511239 - 2⁴ = 5511223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511299) 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, 7142 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (1381656).

Almost surely, 2^5511239 is an apocalyptic number.

5511239 is a deficient number, since it is larger than the sum of its proper divisors (15385).

5511239 is a wasteful number, since it uses less digits than its factorization.

5511239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384.

The product of its digits is 1350, while the sum is 26.

The square root of 5511239 is about 2347.6028198995. The cubic root of 5511239 is about 176.6375700667.

The spelling of 5511239 in words is "five million, five hundred eleven thousand, two hundred thirty-nine".