2057502557 has 8 divisors (see below), whose sum is σ = 2245432320. Its totient is φ = 1869720160.

The previous prime is 2057502547. The next prime is 2057502563. The reversal of 2057502557 is 7552057502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2057502557 - 2⁶ = 2057502493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057502557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057502547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6557 + ... + 64482.

It is an arithmetic number, because the mean of its divisors is an integer number (280679040).

Almost surely, 2^2057502557 is an apocalyptic number.

It is an amenable number.

2057502557 is a deficient number, since it is larger than the sum of its proper divisors (187929763).

2057502557 is a wasteful number, since it uses less digits than its factorization.

2057502557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73683.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 2057502557 is about 45359.7019059870. The cubic root of 2057502557 is about 1271.8819221528.

Subtracting 2057502557 from its reverse (7552057502), we obtain a palindrome (5494554945).

The spelling of 2057502557 in words is "two billion, fifty-seven million, five hundred two thousand, five hundred fifty-seven".