54572857 has 4 divisors (see below), whose sum is σ = 55467556. Its totient is φ = 53678160.

The previous prime is 54572849. The next prime is 54572863. The reversal of 54572857 is 75827545.

54572857 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.

It can be written as a sum of positive squares in 2 ways, for example, as 15397776 + 39175081 = 3924^2 + 6259^2 .

It is a cyclic number.

It is not a de Polignac number, because 54572857 - 2³ = 54572849 is a prime.

It is a super-2 number, since 2×54572857² = 5956393442284898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54572827) 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, 447258 + ... + 447379.

It is an arithmetic number, because the mean of its divisors is an integer number (13866889).

Almost surely, 2^54572857 is an apocalyptic number.

It is an amenable number.

54572857 is a deficient number, since it is larger than the sum of its proper divisors (894699).

54572857 is an equidigital number, since it uses as much as digits as its factorization.

54572857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894698.

The product of its digits is 392000, while the sum is 43.

The square root of 54572857 is about 7387.3443807636. The cubic root of 54572857 is about 379.3081988454.

The spelling of 54572857 in words is "fifty-four million, five hundred seventy-two thousand, eight hundred fifty-seven".