57438355 has 8 divisors (see below), whose sum is σ = 74228112. Its totient is φ = 42415968.

The previous prime is 57438347. The next prime is 57438377. The reversal of 57438355 is 55383475.

57438355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57438355 - 2³ = 57438347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 441769 + ... + 441898.

It is an arithmetic number, because the mean of its divisors is an integer number (9278514).

Almost surely, 2^57438355 is an apocalyptic number.

57438355 is a deficient number, since it is larger than the sum of its proper divisors (16789757).

57438355 is a wasteful number, since it uses less digits than its factorization.

57438355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883685.

The product of its digits is 252000, while the sum is 40.

The square root of 57438355 is about 7578.8096030973. The cubic root of 57438355 is about 385.8341502511.

The spelling of 57438355 in words is "fifty-seven million, four hundred thirty-eight thousand, three hundred fifty-five".