57457646 has 8 divisors (see below), whose sum is σ = 88288704. Its totient is φ = 28028080.

The previous prime is 57457639. The next prime is 57457661. The reversal of 57457646 is 64675475.

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

It is a super-2 number, since 2×57457646² = 6602762167722632, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57457597 and 57457606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350270 + ... + 350433.

It is an arithmetic number, because the mean of its divisors is an integer number (11036088).

Almost surely, 2^57457646 is an apocalyptic number.

57457646 is a deficient number, since it is larger than the sum of its proper divisors (30831058).

57457646 is a wasteful number, since it uses less digits than its factorization.

57457646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700746.

The product of its digits is 705600, while the sum is 44.

The square root of 57457646 is about 7580.0821895280. The cubic root of 57457646 is about 385.8773402849.

The spelling of 57457646 in words is "fifty-seven million, four hundred fifty-seven thousand, six hundred forty-six".