57349983 has 4 divisors (see below), whose sum is σ = 76466648. Its totient is φ = 38233320.

The previous prime is 57349979. The next prime is 57349991. The reversal of 57349983 is 38994375.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57349983 - 2² = 57349979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57349933) 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 3 ways as a sum of consecutive naturals, for example, 9558328 + ... + 9558333.

It is an arithmetic number, because the mean of its divisors is an integer number (19116662).

Almost surely, 2^57349983 is an apocalyptic number.

57349983 is a deficient number, since it is larger than the sum of its proper divisors (19116665).

57349983 is a wasteful number, since it uses less digits than its factorization.

57349983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19116664.

The product of its digits is 816480, while the sum is 48.

The square root of 57349983 is about 7572.9771556502. The cubic root of 57349983 is about 385.6361731494.

The spelling of 57349983 in words is "fifty-seven million, three hundred forty-nine thousand, nine hundred eighty-three".