57462521 has 4 divisors (see below), whose sum is σ = 57528192. Its totient is φ = 57396852.

The previous prime is 57462481. The next prime is 57462523. The reversal of 57462521 is 12526475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57462521 - 2²² = 53268217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57462523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31505 + ... + 33278.

It is an arithmetic number, because the mean of its divisors is an integer number (14382048).

Almost surely, 2^57462521 is an apocalyptic number.

It is an amenable number.

57462521 is a deficient number, since it is larger than the sum of its proper divisors (65671).

57462521 is an equidigital number, since it uses as much as digits as its factorization.

57462521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65670.

The product of its digits is 16800, while the sum is 32.

The square root of 57462521 is about 7580.4037491416. The cubic root of 57462521 is about 385.8882532441. Note that the first 3 decimals are identical.

Adding to 57462521 its reverse (12526475), we get a palindrome (69988996).

The spelling of 57462521 in words is "fifty-seven million, four hundred sixty-two thousand, five hundred twenty-one".