57193442 has 8 divisors (see below), whose sum is σ = 87882732. Its totient is φ = 27899200.

The previous prime is 57193441. The next prime is 57193459. The reversal of 57193442 is 24439175.

It can be written as a sum of positive squares in 2 ways, for example, as 56715961 + 477481 = 7531^2 + 691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57193441) 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, 348659 + ... + 348822.

Almost surely, 2^57193442 is an apocalyptic number.

57193442 is a deficient number, since it is larger than the sum of its proper divisors (30689290).

57193442 is a wasteful number, since it uses less digits than its factorization.

57193442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697524.

The product of its digits is 30240, while the sum is 35.

The square root of 57193442 is about 7562.6345938436. The cubic root of 57193442 is about 385.2849793121.

The spelling of 57193442 in words is "fifty-seven million, one hundred ninety-three thousand, four hundred forty-two".