57354247 has 8 divisors (see below), whose sum is σ = 59761152. Its totient is φ = 54982200.

The previous prime is 57354233. The next prime is 57354259. The reversal of 57354247 is 74245375.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57354247 - 2¹¹ = 57352199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57354347) 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, 5329 + ... + 11962.

It is an arithmetic number, because the mean of its divisors is an integer number (7470144).

Almost surely, 2^57354247 is an apocalyptic number.

57354247 is a deficient number, since it is larger than the sum of its proper divisors (2406905).

57354247 is a wasteful number, since it uses less digits than its factorization.

57354247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17429.

The product of its digits is 117600, while the sum is 37.

The square root of 57354247 is about 7573.2586777424. The cubic root of 57354247 is about 385.6457303269.

The spelling of 57354247 in words is "fifty-seven million, three hundred fifty-four thousand, two hundred forty-seven".