2057550 has 96 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 470400.

The previous prime is 2057543. The next prime is 2057569. The reversal of 2057550 is 557502.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47829 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (61380).

2^2057550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946240).

2057550 is an abundant number, since it is smaller than the sum of its proper divisors (3834930).

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

2057550 is a wasteful number, since it uses less digits than its factorization.

2057550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 2057550 is about 1434.4162575766. The cubic root of 2057550 is about 127.1891697990.

The spelling of 2057550 in words is "two million, fifty-seven thousand, five hundred fifty".