5439555 has 72 divisors (see below), whose sum is σ = 11037936. Its totient is φ = 2566080.

The previous prime is 5439547. The next prime is 5439563. The reversal of 5439555 is 5559345.

It is an interprime number because it is at equal distance from previous prime (5439547) and next prime (5439563).

It is not a de Polignac number, because 5439555 - 2³ = 5439547 is a prime.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 146997 + ... + 147033.

Almost surely, 2^5439555 is an apocalyptic number.

5439555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5439555 is an abundant number, since it is smaller than the sum of its proper divisors (5598381).

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

5439555 is a wasteful number, since it uses less digits than its factorization.

5439555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 56 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 5439555 is about 2332.2853598992. The cubic root of 5439555 is about 175.8683911938.

Adding to 5439555 its product of digits (67500), we get a palindrome (5507055).

The spelling of 5439555 in words is "five million, four hundred thirty-nine thousand, five hundred fifty-five".