57280453 has 4 divisors (see below), whose sum is σ = 57398560. Its totient is φ = 57162348.

The previous prime is 57280441. The next prime is 57280469. The reversal of 57280453 is 35408275.

It is a happy number.

57280453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57280453 - 2⁹ = 57279941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57284453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58323 + ... + 59296.

It is an arithmetic number, because the mean of its divisors is an integer number (14349640).

Almost surely, 2^57280453 is an apocalyptic number.

It is an amenable number.

57280453 is a deficient number, since it is larger than the sum of its proper divisors (118107).

57280453 is a wasteful number, since it uses less digits than its factorization.

57280453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118106.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 57280453 is about 7568.3850985531. The cubic root of 57280453 is about 385.4802642024.

The spelling of 57280453 in words is "fifty-seven million, two hundred eighty thousand, four hundred fifty-three".