2055144 has 64 divisors (see below), whose sum is σ = 6330240. Its totient is φ = 541440.

The previous prime is 2055133. The next prime is 2055187. The reversal of 2055144 is 4415502.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2055144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714 + ... + 2654.

It is an arithmetic number, because the mean of its divisors is an integer number (98910).

2^2055144 is an apocalyptic number.

2055144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3165120).

2055144 is an abundant number, since it is smaller than the sum of its proper divisors (4275096).

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

2055144 is a wasteful number, since it uses less digits than its factorization.

2055144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2055144 is about 1433.5773435710. The cubic root of 2055144 is about 127.1395741633.

The spelling of 2055144 in words is "two million, fifty-five thousand, one hundred forty-four".