1057556 has 12 divisors (see below), whose sum is σ = 1858080. Its totient is φ = 526680.

The previous prime is 1057541. The next prime is 1057561. The reversal of 1057556 is 6557501.

It is a super-2 number, since 2×1057556² = 2236849386272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (154840).

2^1057556 is an apocalyptic number.

It is an amenable number.

1057556 is a deficient number, since it is larger than the sum of its proper divisors (800524).

1057556 is a wasteful number, since it uses less digits than its factorization.

1057556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1057556 is about 1028.3754178314. The cubic root of 1057556 is about 101.8828592429.

Subtracting 1057556 from its reverse (6557501), we obtain a palindrome (5499945).

The spelling of 1057556 in words is "one million, fifty-seven thousand, five hundred fifty-six".