57020342563 has 4 divisors (see below), whose sum is σ = 57871392520. Its totient is φ = 56169292608.

The previous prime is 57020342531. The next prime is 57020342593. The reversal of 57020342563 is 36524302075.

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 57020342563 - 2⁵ = 57020342531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57020342593) 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, 425524878 + ... + 425525011.

It is an arithmetic number, because the mean of its divisors is an integer number (14467848130).

Almost surely, 2^57020342563 is an apocalyptic number.

57020342563 is a deficient number, since it is larger than the sum of its proper divisors (851049957).

57020342563 is an equidigital number, since it uses as much as digits as its factorization.

57020342563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851049956.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 57020342563 in words is "fifty-seven billion, twenty million, three hundred forty-two thousand, five hundred sixty-three".