2057555 has 8 divisors (see below), whose sum is σ = 2500800. Its totient is φ = 1624896.

The previous prime is 2057543. The next prime is 2057569. The reversal of 2057555 is 5557502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2057555 - 2⁸ = 2057299 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2210 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (312600).

2^2057555 is an apocalyptic number.

2057555 is a deficient number, since it is larger than the sum of its proper divisors (443245).

2057555 is an equidigital number, since it uses as much as digits as its factorization.

2057555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293.

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 2057555 is about 1434.4180004448. The cubic root of 2057555 is about 127.1892728253.

It can be divided in two parts, 20 and 57555, that added together give a palindrome (57575).

The spelling of 2057555 in words is "two million, fifty-seven thousand, five hundred fifty-five".