57489193 has 4 divisors (see below), whose sum is σ = 60514960. Its totient is φ = 54463428.

The previous prime is 57489191. The next prime is 57489199. The reversal of 57489193 is 39198475.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57489193 - 2¹ = 57489191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57489191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512855 + ... + 1512892.

It is an arithmetic number, because the mean of its divisors is an integer number (15128740).

Almost surely, 2^57489193 is an apocalyptic number.

It is an amenable number.

57489193 is a deficient number, since it is larger than the sum of its proper divisors (3025767).

57489193 is a wasteful number, since it uses less digits than its factorization.

57489193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025766.

The product of its digits is 272160, while the sum is 46.

The square root of 57489193 is about 7582.1628180883. The cubic root of 57489193 is about 385.9479490787.

It can be divided in two parts, 5748 and 9193, that added together give a palindrome (14941).

The spelling of 57489193 in words is "fifty-seven million, four hundred eighty-nine thousand, one hundred ninety-three".