57163190087 has 4 divisors (see below), whose sum is σ = 57164992200. Its totient is φ = 57161387976.

The previous prime is 57163190053. The next prime is 57163190099. The reversal of 57163190087 is 78009136175.

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 57163190087 - 2¹⁰ = 57163189063 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 (57163190687) 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, 852608 + ... + 917205.

It is an arithmetic number, because the mean of its divisors is an integer number (14291248050).

Almost surely, 2^57163190087 is an apocalyptic number.

57163190087 is a deficient number, since it is larger than the sum of its proper divisors (1802113).

57163190087 is a wasteful number, since it uses less digits than its factorization.

57163190087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802112.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 57163190087 in words is "fifty-seven billion, one hundred sixty-three million, one hundred ninety thousand, eighty-seven".