2057556 has 24 divisors (see below), whose sum is σ = 4826080. Its totient is φ = 682272.

The previous prime is 2057543. The next prime is 2057569. The reversal of 2057556 is 6557502.

It is an interprime number because it is at equal distance from previous prime (2057543) and next prime (2057569).

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, 3015 + ... + 3633.

2^2057556 is an apocalyptic number.

It is an amenable number.

2057556 is an abundant number, since it is smaller than the sum of its proper divisors (2768524).

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

2057556 is a wasteful number, since it uses less digits than its factorization.

2057556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2057556 is about 1434.4183490182. The cubic root of 2057556 is about 127.1892934306.

It can be divided in two parts, 205755 and 6, that added together give a triangular number (205761 = T₆₄₁).

The spelling of 2057556 in words is "two million, fifty-seven thousand, five hundred fifty-six".