2055630 has 16 divisors (see below), whose sum is σ = 4933584. Its totient is φ = 548160.

The previous prime is 2055611. The next prime is 2055637. The reversal of 2055630 is 365502.

It is a super-2 number, since 2×2055630² = 8451229393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2055597 and 2055606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34231 + ... + 34290.

It is an arithmetic number, because the mean of its divisors is an integer number (308349).

2^2055630 is an apocalyptic number.

2055630 is an abundant number, since it is smaller than the sum of its proper divisors (2877954).

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

2055630 is a wasteful number, since it uses less digits than its factorization.

2055630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68531.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2055630 is about 1433.7468395780. The cubic root of 2055630 is about 127.1495953529.

The spelling of 2055630 in words is "two million, fifty-five thousand, six hundred thirty".