54545457 has 16 divisors (see below), whose sum is σ = 76241088. Its totient is φ = 34648320.

The previous prime is 54545419. The next prime is 54545459. The reversal of 54545457 is 75454545.

It is not a de Polignac number, because 54545457 - 2⁷ = 54545329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54545459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (4765068).

Almost surely, 2^54545457 is an apocalyptic number.

It is an amenable number.

54545457 is a deficient number, since it is larger than the sum of its proper divisors (21695631).

54545457 is a wasteful number, since it uses less digits than its factorization.

54545457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400.

The product of its digits is 280000, while the sum is 39.

The square root of 54545457 is about 7385.4896249335. The cubic root of 54545457 is about 379.2447070591.

The spelling of 54545457 in words is "fifty-four million, five hundred forty-five thousand, four hundred fifty-seven".