57214613 has 6 divisors (see below), whose sum is σ = 58350294. Its totient is φ = 56081064.

The previous prime is 57214607. The next prime is 57214621. The reversal of 57214613 is 31641275.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 4318084 = 7273^2 + 2078^2 .

It is not a de Polignac number, because 57214613 - 2⁸ = 57214357 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 (57214693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54548 + ... + 55586.

It is an arithmetic number, because the mean of its divisors is an integer number (9725049).

Almost surely, 2^57214613 is an apocalyptic number.

57214613 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

57214613 is a deficient number, since it is larger than the sum of its proper divisors (1135681).

57214613 is an frugal number, since it uses more digits than its factorization.

57214613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 1092 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 57214613 is about 7564.0341749625. The cubic root of 57214613 is about 385.3325130954.

Adding to 57214613 its reverse (31641275), we get a palindrome (88855888).

The spelling of 57214613 in words is "fifty-seven million, two hundred fourteen thousand, six hundred thirteen".