57444401 has 4 divisors (see below), whose sum is σ = 65650752. Its totient is φ = 49238052.

The previous prime is 57444397. The next prime is 57444437. The reversal of 57444401 is 10444475.

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 57444401 - 2² = 57444397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57444451) 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, 4103165 + ... + 4103178.

It is an arithmetic number, because the mean of its divisors is an integer number (16412688).

Almost surely, 2^57444401 is an apocalyptic number.

It is an amenable number.

57444401 is a deficient number, since it is larger than the sum of its proper divisors (8206351).

57444401 is an equidigital number, since it uses as much as digits as its factorization.

57444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206350.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 57444401 is about 7579.2084679075. The cubic root of 57444401 is about 385.8476874972.

Adding to 57444401 its reverse (10444475), we get a palindrome (67888876).

The spelling of 57444401 in words is "fifty-seven million, four hundred forty-four thousand, four hundred one".