57447371 has 12 divisors (see below), whose sum is σ = 60246720. Its totient is φ = 54720240.

The previous prime is 57447361. The next prime is 57447373. The reversal of 57447371 is 17374475.

It is not a de Polignac number, because 57447371 - 2¹⁴ = 57430987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57447373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213425 + ... + 213693.

It is an arithmetic number, because the mean of its divisors is an integer number (5020560).

Almost surely, 2^57447371 is an apocalyptic number.

57447371 is a deficient number, since it is larger than the sum of its proper divisors (2799349).

57447371 is an equidigital number, since it uses as much as digits as its factorization.

57447371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 383 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 57447371 is about 7579.4043961251. The cubic root of 57447371 is about 385.8543371030.

The spelling of 57447371 in words is "fifty-seven million, four hundred forty-seven thousand, three hundred seventy-one".