57749383 has 4 divisors (see below), whose sum is σ = 58839048. Its totient is φ = 56659720.

The previous prime is 57749369. The next prime is 57749401. The reversal of 57749383 is 38394775.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57749383 - 2²¹ = 55652231 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 (57749183) 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, 544753 + ... + 544858.

It is an arithmetic number, because the mean of its divisors is an integer number (14709762).

Almost surely, 2^57749383 is an apocalyptic number.

57749383 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

57749383 is a deficient number, since it is larger than the sum of its proper divisors (1089665).

57749383 is a wasteful number, since it uses less digits than its factorization.

57749383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089664.

The product of its digits is 635040, while the sum is 46.

The square root of 57749383 is about 7599.3014810573. The cubic root of 57749383 is about 386.5293260584.

The spelling of 57749383 in words is "fifty-seven million, seven hundred forty-nine thousand, three hundred eighty-three".