57438357 has 16 divisors (see below), whose sum is σ = 79472640. Its totient is φ = 36856512.

The previous prime is 57438347. The next prime is 57438377. The reversal of 57438357 is 75383475.

57438357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57438357 - 2⁴ = 57438341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57438307) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33708 + ... + 35370.

It is an arithmetic number, because the mean of its divisors is an integer number (4967040).

Almost surely, 2^57438357 is an apocalyptic number.

It is an amenable number.

57438357 is a deficient number, since it is larger than the sum of its proper divisors (22034283).

57438357 is a wasteful number, since it uses less digits than its factorization.

57438357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its digits is 352800, while the sum is 42.

The square root of 57438357 is about 7578.8097350442. The cubic root of 57438357 is about 385.8341547294.

The spelling of 57438357 in words is "fifty-seven million, four hundred thirty-eight thousand, three hundred fifty-seven".