4057551 has 6 divisors (see below), whose sum is σ = 5860920. Its totient is φ = 2705028.

The previous prime is 4057513. The next prime is 4057553. The reversal of 4057551 is 1557504.

4057551 is a `hidden beast` number, since 40 + 575 + 51 = 666.

It is not a de Polignac number, because 4057551 - 2⁷ = 4057423 is a prime.

4057551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057553) 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, 225411 + ... + 225428.

It is an arithmetic number, because the mean of its divisors is an integer number (976820).

Almost surely, 2^4057551 is an apocalyptic number.

4057551 is a deficient number, since it is larger than the sum of its proper divisors (1803369).

4057551 is a wasteful number, since it uses less digits than its factorization.

4057551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450845 (or 450842 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 4057551 is about 2014.3363671443. The cubic root of 4057551 is about 159.4977872683.

The spelling of 4057551 in words is "four million, fifty-seven thousand, five hundred fifty-one".