54564457 has 4 divisors (see below), whose sum is σ = 56446020. Its totient is φ = 52682896.

The previous prime is 54564383. The next prime is 54564467. The reversal of 54564457 is 75446545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13039321 + 41525136 = 3611^2 + 6444^2 .

It is a cyclic number.

It is not a de Polignac number, because 54564457 - 2²³ = 46175849 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54564467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940738 + ... + 940795.

It is an arithmetic number, because the mean of its divisors is an integer number (14111505).

Almost surely, 2^54564457 is an apocalyptic number.

It is an amenable number.

54564457 is a deficient number, since it is larger than the sum of its proper divisors (1881563).

54564457 is a wasteful number, since it uses less digits than its factorization.

54564457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881562.

The product of its digits is 336000, while the sum is 40.

The square root of 54564457 is about 7386.7758189890. The cubic root of 54564457 is about 379.2887364695.

The spelling of 54564457 in words is "fifty-four million, five hundred sixty-four thousand, four hundred fifty-seven".