2056057 has 4 divisors (see below), whose sum is σ = 2076516. Its totient is φ = 2035600.

The previous prime is 2056007. The next prime is 2056069. The reversal of 2056057 is 7506502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7506502 = 2 ⋅3753251.

It can be written as a sum of positive squares in 2 ways, for example, as 1666681 + 389376 = 1291^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056057 - 2¹¹ = 2054009 is a prime.

It is a Duffinian number.

2056057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2056007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10078 + ... + 10279.

It is an arithmetic number, because the mean of its divisors is an integer number (519129).

2^2056057 is an apocalyptic number.

It is an amenable number.

2056057 is a deficient number, since it is larger than the sum of its proper divisors (20459).

2056057 is a wasteful number, since it uses less digits than its factorization.

2056057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20458.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2056057 is about 1433.8957423746. The cubic root of 2056057 is about 127.1583986749.

The spelling of 2056057 in words is "two million, fifty-six thousand, fifty-seven".