57145426437533 has 12 divisors (see below), whose sum is σ = 66564555132768. Its totient is φ = 48057609278640.

The previous prime is 57145426437527. The next prime is 57145426437557. The reversal of 57145426437533 is 33573462454175.

It is a de Polignac number, because none of the positive numbers 2^k-57145426437533 is a prime.

It is a super-2 number, since 2×57145426437533² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145426437733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1453101083 + ... + 1453140408.

It is an arithmetic number, because the mean of its divisors is an integer number (5547046261064).

Almost surely, 2^{57145426437533} is an apocalyptic number.

57145426437533 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

57145426437533 is a deficient number, since it is larger than the sum of its proper divisors (9419128695235).

57145426437533 is an equidigital number, since it uses as much as digits as its factorization.

57145426437533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906241604 (or 2906241551 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 59.

The spelling of 57145426437533 in words is "fifty-seven trillion, one hundred forty-five billion, four hundred twenty-six million, four hundred thirty-seven thousand, five hundred thirty-three".