57954217 has 4 divisors (see below), whose sum is σ = 58163716. Its totient is φ = 57744720.

The previous prime is 57954191. The next prime is 57954223. The reversal of 57954217 is 71245975.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10949481 + 47004736 = 3309^2 + 6856^2 .

It is a cyclic number.

It is not a de Polignac number, because 57954217 - 2¹⁹ = 57429929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57954217.

It is not an unprimeable number, because it can be changed into a prime (57954277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104334 + ... + 104887.

It is an arithmetic number, because the mean of its divisors is an integer number (14540929).

Almost surely, 2^57954217 is an apocalyptic number.

It is an amenable number.

57954217 is a deficient number, since it is larger than the sum of its proper divisors (209499).

57954217 is a wasteful number, since it uses less digits than its factorization.

57954217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209498.

The product of its digits is 88200, while the sum is 40.

The square root of 57954217 is about 7612.7667112555. The cubic root of 57954217 is about 386.9857864789.

The spelling of 57954217 in words is "fifty-seven million, nine hundred fifty-four thousand, two hundred seventeen".