57442049 has 8 divisors (see below), whose sum is σ = 65720640. Its totient is φ = 49181616.

The previous prime is 57442027. The next prime is 57442051. The reversal of 57442049 is 94024475.

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

It is a cyclic number.

It is not a de Polignac number, because 57442049 - 2¹² = 57437953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57442009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (8215080).

Almost surely, 2^57442049 is an apocalyptic number.

It is an amenable number.

57442049 is a deficient number, since it is larger than the sum of its proper divisors (8278591).

57442049 is a wasteful number, since it uses less digits than its factorization.

57442049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 57442049 is about 7579.0533049979. The cubic root of 57442049 is about 385.8424213840.

The spelling of 57442049 in words is "fifty-seven million, four hundred forty-two thousand, forty-nine".