57217474 has 8 divisors (see below), whose sum is σ = 90343440. Its totient is φ = 27102996.

The previous prime is 57217463. The next prime is 57217483. The reversal of 57217474 is 47471275.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752824 + ... + 752899.

It is an arithmetic number, because the mean of its divisors is an integer number (11292930).

Almost surely, 2^57217474 is an apocalyptic number.

57217474 is a deficient number, since it is larger than the sum of its proper divisors (33125966).

57217474 is a wasteful number, since it uses less digits than its factorization.

57217474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505744.

The product of its digits is 54880, while the sum is 37.

The square root of 57217474 is about 7564.2232912573. The cubic root of 57217474 is about 385.3389358016.

The spelling of 57217474 in words is "fifty-seven million, two hundred seventeen thousand, four hundred seventy-four".