2053446457 has 4 divisors (see below), whose sum is σ = 2058808320. Its totient is φ = 2048084596.

The previous prime is 2053446427. The next prime is 2053446547. The reversal of 2053446457 is 7546443502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2053446457 - 2¹⁵ = 2053413689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053446427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680357 + ... + 2681122.

It is an arithmetic number, because the mean of its divisors is an integer number (514702080).

Almost surely, 2^2053446457 is an apocalyptic number.

It is an amenable number.

2053446457 is a deficient number, since it is larger than the sum of its proper divisors (5361863).

2053446457 is an equidigital number, since it uses as much as digits as its factorization.

2053446457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361862.

The product of its (nonzero) digits is 403200, while the sum is 40.

The square root of 2053446457 is about 45314.9694582265. The cubic root of 2053446457 is about 1271.0455888052.

Adding to 2053446457 its reverse (7546443502), we get a palindrome (9599889959).

The spelling of 2053446457 in words is "two billion, fifty-three million, four hundred forty-six thousand, four hundred fifty-seven".