2057553 has 6 divisors (see below), whose sum is σ = 2972034. Its totient is φ = 1371696.

The previous prime is 2057543. The next prime is 2057569. The reversal of 2057553 is 3557502.

It can be written as a sum of positive squares in only one way, i.e., 1617984 + 439569 = 1272^2 + 663^2 .

It is not a de Polignac number, because 2057553 - 2⁴ = 2057537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2057543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114300 + ... + 114317.

It is an arithmetic number, because the mean of its divisors is an integer number (495339).

2^2057553 is an apocalyptic number.

It is an amenable number.

2057553 is a deficient number, since it is larger than the sum of its proper divisors (914481).

2057553 is a wasteful number, since it uses less digits than its factorization.

2057553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228623 (or 228620 counting only the distinct ones).

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

The square root of 2057553 is about 1434.4173032978. The cubic root of 2057553 is about 127.1892316148.

The spelling of 2057553 in words is "two million, fifty-seven thousand, five hundred fifty-three".