57245056919 has 4 divisors (see below), whose sum is σ = 57252747240. Its totient is φ = 57237366600.

The previous prime is 57245056871. The next prime is 57245056961. The reversal of 57245056919 is 91965054275.

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 57245056919 - 2¹⁶ = 57244991383 is a prime.

It is a super-2 number, since 2×57245056919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57245056019) 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, 3833984 + ... + 3848885.

It is an arithmetic number, because the mean of its divisors is an integer number (14313186810).

Almost surely, 2^57245056919 is an apocalyptic number.

57245056919 is a deficient number, since it is larger than the sum of its proper divisors (7690321).

57245056919 is an equidigital number, since it uses as much as digits as its factorization.

57245056919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690320.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 57245056919 in words is "fifty-seven billion, two hundred forty-five million, fifty-six thousand, nine hundred nineteen".