57921453 has 8 divisors (see below), whose sum is σ = 85809600. Its totient is φ = 38614284.

The previous prime is 57921407. The next prime is 57921463. The reversal of 57921453 is 35412975.

It is not a de Polignac number, because 57921453 - 2⁶ = 57921389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57921403) 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, 1072593 + ... + 1072646.

It is an arithmetic number, because the mean of its divisors is an integer number (10726200).

Almost surely, 2^57921453 is an apocalyptic number.

It is an amenable number.

57921453 is a deficient number, since it is larger than the sum of its proper divisors (27888147).

57921453 is a wasteful number, since it uses less digits than its factorization.

57921453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145248 (or 2145242 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 57921453 is about 7610.6144955582. The cubic root of 57921453 is about 386.9128461875.

The spelling of 57921453 in words is "fifty-seven million, nine hundred twenty-one thousand, four hundred fifty-three".