5155444 has 24 divisors (see below), whose sum is σ = 10418688. Its totient is φ = 2186400.

The previous prime is 5155439. The next prime is 5155481. The reversal of 5155444 is 4445515.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (434112).

Almost surely, 2^5155444 is an apocalyptic number.

It is an amenable number.

5155444 is an abundant number, since it is smaller than the sum of its proper divisors (5263244).

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

5155444 is a wasteful number, since it uses less digits than its factorization.

5155444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1933 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 5155444 is about 2270.5602832781. The cubic root of 5155444 is about 172.7515785824.

The spelling of 5155444 in words is "five million, one hundred fifty-five thousand, four hundred forty-four".