57144507 has 8 divisors (see below), whose sum is σ = 87077376. Its totient is φ = 32653992.

The previous prime is 57144491. The next prime is 57144511. The reversal of 57144507 is 70544175.

57144507 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57144507 - 2⁴ = 57144491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57144517) 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, 1360563 + ... + 1360604.

It is an arithmetic number, because the mean of its divisors is an integer number (10884672).

Almost surely, 2^57144507 is an apocalyptic number.

57144507 is a deficient number, since it is larger than the sum of its proper divisors (29932869).

57144507 is a wasteful number, since it uses less digits than its factorization.

57144507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721177.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 57144507 is about 7559.3985871893. The cubic root of 57144507 is about 385.1750640285.

The spelling of 57144507 in words is "fifty-seven million, one hundred forty-four thousand, five hundred seven".