57438653 has 16 divisors (see below), whose sum is σ = 62346240. Its totient is φ = 52743600.

The previous prime is 57438649. The next prime is 57438673. The reversal of 57438653 is 35683475.

It is a cyclic number.

It is not a de Polignac number, because 57438653 - 2² = 57438649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57438653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57438673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116738 + ... + 117228.

It is an arithmetic number, because the mean of its divisors is an integer number (3896640).

Almost surely, 2^57438653 is an apocalyptic number.

It is an amenable number.

57438653 is a deficient number, since it is larger than the sum of its proper divisors (4907587).

57438653 is a wasteful number, since it uses less digits than its factorization.

57438653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 302400, while the sum is 41.

The square root of 57438653 is about 7578.8292631514. The cubic root of 57438653 is about 385.8348175078.

The spelling of 57438653 in words is "fifty-seven million, four hundred thirty-eight thousand, six hundred fifty-three".