57438511 has 8 divisors (see below), whose sum is σ = 61978784. Its totient is φ = 52915680.

The previous prime is 57438509. The next prime is 57438523. The reversal of 57438511 is 11583475.

It is a happy number.

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 57438511 - 2¹ = 57438509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57438551) 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, 2950 + ... + 11116.

It is an arithmetic number, because the mean of its divisors is an integer number (7747348).

Almost surely, 2^57438511 is an apocalyptic number.

57438511 is a deficient number, since it is larger than the sum of its proper divisors (4540273).

57438511 is a wasteful number, since it uses less digits than its factorization.

57438511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721.

The product of its digits is 16800, while the sum is 34.

The square root of 57438511 is about 7578.8198949441. The cubic root of 57438511 is about 385.8344995536.

The spelling of 57438511 in words is "fifty-seven million, four hundred thirty-eight thousand, five hundred eleven".