2053557 has 12 divisors (see below), whose sum is σ = 3236064. Its totient is φ = 1244520.

The previous prime is 2053553. The next prime is 2053573. The reversal of 2053557 is 7553502.

It is not a de Polignac number, because 2053557 - 2² = 2053553 is a prime.

2053557 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2053557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10273 + ... + 10470.

It is an arithmetic number, because the mean of its divisors is an integer number (269672).

2^2053557 is an apocalyptic number.

It is an amenable number.

2053557 is a deficient number, since it is larger than the sum of its proper divisors (1182507).

2053557 is a wasteful number, since it uses less digits than its factorization.

2053557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760 (or 20757 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 2053557 is about 1433.0237262516. The cubic root of 2053557 is about 127.1068396424.

Subtracting 2053557 from its reverse (7553502), we obtain a palindrome (5499945).

The spelling of 2053557 in words is "two million, fifty-three thousand, five hundred fifty-seven".