57464240089 has 27 divisors (see below), whose sum is σ = 62356397407. Its totient is φ = 52944855488.

The previous prime is 57464240081. The next prime is 57464240117. The reversal of 57464240089 is 98004246475.

The square root of 57464240089 is 239717.

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

It can be written as a sum of positive squares in only one way, i.e., 44738595225 + 12725644864 = 211515^2 + 112808^2 .

It is not a de Polignac number, because 57464240089 - 2³ = 57464240081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57464240081) 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 26 ways as a sum of consecutive naturals, for example, 240436032 + ... + 240436270.

Almost surely, 2^57464240089 is an apocalyptic number.

57464240089 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

57464240089 is the 239717-th square number.

57464240089 is the 119859-th centered octagonal number.

It is an amenable number.

57464240089 is a deficient number, since it is larger than the sum of its proper divisors (4892157318).

57464240089 is an frugal number, since it uses more digits than its factorization.

57464240089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

Multiplying 57464240089 by its sum of digits (49), we get a square (2815747764361 = 1678019²).

The spelling of 57464240089 in words is "fifty-seven billion, four hundred sixty-four million, two hundred forty thousand, eighty-nine".