57503394191 has 4 divisors (see below), whose sum is σ = 58840682472. Its totient is φ = 56166105912.

The previous prime is 57503394187. The next prime is 57503394197. The reversal of 57503394191 is 19149330575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57503394191 - 2² = 57503394187 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 (57503394197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668644076 + ... + 668644161.

It is an arithmetic number, because the mean of its divisors is an integer number (14710170618).

Almost surely, 2^57503394191 is an apocalyptic number.

57503394191 is a deficient number, since it is larger than the sum of its proper divisors (1337288281).

57503394191 is a wasteful number, since it uses less digits than its factorization.

57503394191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337288280.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 57503394191 in words is "fifty-seven billion, five hundred three million, three hundred ninety-four thousand, one hundred ninety-one".