57349438 has 4 divisors (see below), whose sum is σ = 86024160. Its totient is φ = 28674718.

The previous prime is 57349403. The next prime is 57349463. The reversal of 57349438 is 83494375.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 57349394 and 57349403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337358 + ... + 14337361.

It is an arithmetic number, because the mean of its divisors is an integer number (21506040).

Almost surely, 2^57349438 is an apocalyptic number.

57349438 is a deficient number, since it is larger than the sum of its proper divisors (28674722).

57349438 is a wasteful number, since it uses less digits than its factorization.

57349438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28674721.

The product of its digits is 362880, while the sum is 43.

The square root of 57349438 is about 7572.9411723583. The cubic root of 57349438 is about 385.6349515718.

The spelling of 57349438 in words is "fifty-seven million, three hundred forty-nine thousand, four hundred thirty-eight".