57448405231 has 4 divisors (see below), whose sum is σ = 65655320272. Its totient is φ = 49241490192.

The previous prime is 57448405151. The next prime is 57448405279. The reversal of 57448405231 is 13250484475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57448405231 - 2²⁵ = 57414850799 is a prime.

It is a super-2 number, since 2×57448405231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57448405291) 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, 4103457510 + ... + 4103457523.

It is an arithmetic number, because the mean of its divisors is an integer number (16413830068).

Almost surely, 2^57448405231 is an apocalyptic number.

57448405231 is a deficient number, since it is larger than the sum of its proper divisors (8206915041).

57448405231 is an equidigital number, since it uses as much as digits as its factorization.

57448405231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206915040.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 57448405231 in words is "fifty-seven billion, four hundred forty-eight million, four hundred five thousand, two hundred thirty-one".