57448039 has 8 divisors (see below), whose sum is σ = 65969280. Its totient is φ = 49476600.

The previous prime is 57448037. The next prime is 57448057. The reversal of 57448039 is 93084475.

57448039 = 1211² + 1212² + ... + 1248².

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 57448039 - 2¹ = 57448037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57447992 and 57448010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57448033) 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, 137227 + ... + 137644.

It is an arithmetic number, because the mean of its divisors is an integer number (8246160).

Almost surely, 2^57448039 is an apocalyptic number.

57448039 is a deficient number, since it is larger than the sum of its proper divisors (8521241).

57448039 is a wasteful number, since it uses less digits than its factorization.

57448039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274901.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 57448039 is about 7579.4484627841. The cubic root of 57448039 is about 385.8558326731.

The spelling of 57448039 in words is "fifty-seven million, four hundred forty-eight thousand, thirty-nine".