5155544 has 8 divisors (see below), whose sum is σ = 9666660. Its totient is φ = 2577768.

The previous prime is 5155511. The next prime is 5155547. The reversal of 5155544 is 4455515.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322214 + ... + 322229.

Almost surely, 2^5155544 is an apocalyptic number.

It is an amenable number.

5155544 is a deficient number, since it is larger than the sum of its proper divisors (4511116).

5155544 is a wasteful number, since it uses less digits than its factorization.

5155544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644449 (or 644445 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 5155544 is about 2270.5823041678. The cubic root of 5155544 is about 172.7526955277.

Subtracting from 5155544 its sum of digits (29), we obtain a palindrome (5155515).

The spelling of 5155544 in words is "five million, one hundred fifty-five thousand, five hundred forty-four".