57912242 has 4 divisors (see below), whose sum is σ = 86868366. Its totient is φ = 28956120.

The previous prime is 57912227. The next prime is 57912263. The reversal of 57912242 is 24221975.

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

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 9066121 = 6989^2 + 3011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57912199 and 57912208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14478059 + ... + 14478062.

Almost surely, 2^57912242 is an apocalyptic number.

57912242 is a deficient number, since it is larger than the sum of its proper divisors (28956124).

57912242 is a wasteful number, since it uses less digits than its factorization.

57912242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28956123.

The product of its digits is 10080, while the sum is 32.

The square root of 57912242 is about 7610.0093298235. The cubic root of 57912242 is about 386.8923354039.

It can be divided in two parts, 579 and 12242, that added together give a palindrome (12821).

The spelling of 57912242 in words is "fifty-seven million, nine hundred twelve thousand, two hundred forty-two".