57421453523 has 8 divisors (see below), whose sum is σ = 65626576992. Its totient is φ = 49216844736.

The previous prime is 57421453517. The next prime is 57421453541. The reversal of 57421453523 is 32535412475.

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

It is a cyclic number.

It is not a de Polignac number, because 57421453523 - 2¹⁰ = 57421452499 is a prime.

It is a super-2 number, since 2×57421453523² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57421453223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150911 + ... + 370967.

It is an arithmetic number, because the mean of its divisors is an integer number (8203322124).

Almost surely, 2^57421453523 is an apocalyptic number.

57421453523 is a deficient number, since it is larger than the sum of its proper divisors (8205123469).

57421453523 is a wasteful number, since it uses less digits than its factorization.

57421453523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257341.

The product of its digits is 504000, while the sum is 41.

Adding to 57421453523 its reverse (32535412475), we get a palindrome (89956865998).

The spelling of 57421453523 in words is "fifty-seven billion, four hundred twenty-one million, four hundred fifty-three thousand, five hundred twenty-three".