57219904823 has 8 divisors (see below), whose sum is σ = 58557278208. Its totient is φ = 55882835064.

The previous prime is 57219904799. The next prime is 57219904829. The reversal of 57219904823 is 32840991275.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57219904823 is a prime.

It is a super-2 number, since 2×57219904823² (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 (57219904829) 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 7 ways as a sum of consecutive naturals, for example, 330536 + ... + 472962.

It is an arithmetic number, because the mean of its divisors is an integer number (7319659776).

Almost surely, 2^57219904823 is an apocalyptic number.

57219904823 is a deficient number, since it is larger than the sum of its proper divisors (1337373385).

57219904823 is a wasteful number, since it uses less digits than its factorization.

57219904823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151813.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 57219904823 in words is "fifty-seven billion, two hundred nineteen million, nine hundred four thousand, eight hundred twenty-three".