57963921 has 8 divisors (see below), whose sum is σ = 77509344. Its totient is φ = 38530560.

The previous prime is 57963907. The next prime is 57963937. The reversal of 57963921 is 12936975.

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

It is not a de Polignac number, because 57963921 - 2¹⁴ = 57947537 is a prime.

It is a super-2 number, since 2×57963921² = 6719632275388482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57963991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26800 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (9688668).

Almost surely, 2^57963921 is an apocalyptic number.

It is an amenable number.

57963921 is a deficient number, since it is larger than the sum of its proper divisors (19545423).

57963921 is a wasteful number, since it uses less digits than its factorization.

57963921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56031.

The product of its digits is 102060, while the sum is 42.

The square root of 57963921 is about 7613.4040349899. The cubic root of 57963921 is about 387.0073845649.

The spelling of 57963921 in words is "fifty-seven million, nine hundred sixty-three thousand, nine hundred twenty-one".