2057545477 has 16 divisors (see below), whose sum is σ = 2316101760. Its totient is φ = 1813597632.

The previous prime is 2057545463. The next prime is 2057545481. The reversal of 2057545477 is 7745457502.

It is a cyclic number.

It is not a de Polignac number, because 2057545477 - 2¹¹ = 2057543429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057545487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179523 + ... + 190639.

It is an arithmetic number, because the mean of its divisors is an integer number (144756360).

Almost surely, 2^2057545477 is an apocalyptic number.

It is an amenable number.

2057545477 is a deficient number, since it is larger than the sum of its proper divisors (258556283).

2057545477 is a wasteful number, since it uses less digits than its factorization.

2057545477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 1372000, while the sum is 46.

The square root of 2057545477 is about 45360.1750106853. The cubic root of 2057545477 is about 1271.8907660126.

The spelling of 2057545477 in words is "two billion, fifty-seven million, five hundred forty-five thousand, four hundred seventy-seven".