57550433 has 4 divisors (see below), whose sum is σ = 57568788. Its totient is φ = 57532080.

The previous prime is 57550379. The next prime is 57550453. The reversal of 57550433 is 33405575.

57550433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20729809 + 36820624 = 4553^2 + 6068^2 .

It is a cyclic number.

It is not a de Polignac number, because 57550433 - 2⁶ = 57550369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57550433.

It is not an unprimeable number, because it can be changed into a prime (57550453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 11183.

It is an arithmetic number, because the mean of its divisors is an integer number (14392197).

Almost surely, 2^57550433 is an apocalyptic number.

It is an amenable number.

57550433 is a deficient number, since it is larger than the sum of its proper divisors (18355).

57550433 is a wasteful number, since it uses less digits than its factorization.

57550433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18354.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 57550433 is about 7586.2001687274. The cubic root of 57550433 is about 386.0849433184.

The spelling of 57550433 in words is "fifty-seven million, five hundred fifty thousand, four hundred thirty-three".