57523320554569 has 3 divisors (see below), whose sum is σ = 57523328138983. Its totient is φ = 57523312970156.

The previous prime is 57523320554563. The next prime is 57523320554591. The reversal of 57523320554569 is 96545502332575.

The square root of 57523320554569 is 7584413.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5244809924025 + 52278510630544 = 2290155^2 + 7230388^2 .

It is not a de Polignac number, because 57523320554569 - 2¹⁵ = 57523320521801 is a prime.

It is a super-2 number, since 2×57523320554569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57523320554563) 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 2 ways as a sum of consecutive naturals, for example, 3792207 + ... + 11376619.

Almost surely, 2^{57523320554569} is an apocalyptic number.

57523320554569 is the 7584413-rd square number.

57523320554569 is the 3792207-th centered octagonal number.

It is an amenable number.

57523320554569 is a deficient number, since it is larger than the sum of its proper divisors (7584414).

57523320554569 is an frugal number, since it uses more digits than its factorization.

57523320554569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15168826 (or 7584413 counting only the distinct ones).

The product of its (nonzero) digits is 170100000, while the sum is 61.

The spelling of 57523320554569 in words is "fifty-seven trillion, five hundred twenty-three billion, three hundred twenty million, five hundred fifty-four thousand, five hundred sixty-nine".