57641431 has 8 divisors (see below), whose sum is σ = 59601024. Its totient is φ = 55688160.

The previous prime is 57641417. The next prime is 57641443. The reversal of 57641431 is 13414675.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57641431 is a prime.

It is a super-2 number, since 2×57641431² = 6645069135455522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57641393 and 57641402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57641471) 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 7 ways as a sum of consecutive naturals, for example, 23541 + ... + 25873.

It is an arithmetic number, because the mean of its divisors is an integer number (7450128).

Almost surely, 2^57641431 is an apocalyptic number.

57641431 is a deficient number, since it is larger than the sum of its proper divisors (1959593).

57641431 is a wasteful number, since it uses less digits than its factorization.

57641431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its digits is 10080, while the sum is 31.

The square root of 57641431 is about 7592.1954005413. The cubic root of 57641431 is about 386.2883269990.

The spelling of 57641431 in words is "fifty-seven million, six hundred forty-one thousand, four hundred thirty-one".