2053554257 has 4 divisors (see below), whose sum is σ = 2161636080. Its totient is φ = 1945472436.

The previous prime is 2053554199. The next prime is 2053554301. The reversal of 2053554257 is 7524553502.

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 2053554257 - 2⁶ = 2053554193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2053554257.

It is not an unprimeable number, because it can be changed into a prime (2053551257) 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, 54040883 + ... + 54040920.

It is an arithmetic number, because the mean of its divisors is an integer number (540409020).

Almost surely, 2^2053554257 is an apocalyptic number.

It is an amenable number.

2053554257 is a deficient number, since it is larger than the sum of its proper divisors (108081823).

2053554257 is a wasteful number, since it uses less digits than its factorization.

2053554257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108081822.

The product of its (nonzero) digits is 210000, while the sum is 38.

The square root of 2053554257 is about 45316.1588950343. The cubic root of 2053554257 is about 1271.0678304884.

The spelling of 2053554257 in words is "two billion, fifty-three million, five hundred fifty-four thousand, two hundred fifty-seven".