54257649459 has 32 divisors (see below), whose sum is σ = 82213824000. Its totient is φ = 31552934400.

The previous prime is 54257649437. The next prime is 54257649487. The reversal of 54257649459 is 95494675245.

It is not a de Polignac number, because 54257649459 - 2⁵ = 54257649427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54257609459) 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 31 ways as a sum of consecutive naturals, for example, 205842 + ... + 388440.

It is an arithmetic number, because the mean of its divisors is an integer number (2569182000).

Almost surely, 2^54257649459 is an apocalyptic number.

54257649459 is a deficient number, since it is larger than the sum of its proper divisors (27956174541).

54257649459 is a wasteful number, since it uses less digits than its factorization.

54257649459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183035.

The product of its digits is 54432000, while the sum is 60.

The spelling of 54257649459 in words is "fifty-four billion, two hundred fifty-seven million, six hundred forty-nine thousand, four hundred fifty-nine".