57443402 has 8 divisors (see below), whose sum is σ = 87378912. Its totient is φ = 28317100.

The previous prime is 57443401. The next prime is 57443413. The reversal of 57443402 is 20434475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57443401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202124 + ... + 202407.

It is an arithmetic number, because the mean of its divisors is an integer number (10922364).

Almost surely, 2^57443402 is an apocalyptic number.

57443402 is a deficient number, since it is larger than the sum of its proper divisors (29935510).

57443402 is a wasteful number, since it uses less digits than its factorization.

57443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404604.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 57443402 is about 7579.1425636414. The cubic root of 57443402 is about 385.8454507600.

Adding to 57443402 its reverse (20434475), we get a palindrome (77877877).

The spelling of 57443402 in words is "fifty-seven million, four hundred forty-three thousand, four hundred two".