54639533953 has 8 divisors (see below), whose sum is σ = 57018158208. Its totient is φ = 52261159104.

The previous prime is 54639533939. The next prime is 54639534007. The reversal of 54639533953 is 35933593645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54639533953 - 2⁹ = 54639533441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54639533894 and 54639533903.

It is not an unprimeable number, because it can be changed into a prime (54639533903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489276 + ... + 590482.

It is an arithmetic number, because the mean of its divisors is an integer number (7127269776).

Almost surely, 2^54639533953 is an apocalyptic number.

It is an amenable number.

54639533953 is a deficient number, since it is larger than the sum of its proper divisors (2378624255).

54639533953 is a wasteful number, since it uses less digits than its factorization.

54639533953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124703.

The product of its digits is 19683000, while the sum is 55.

The spelling of 54639533953 in words is "fifty-four billion, six hundred thirty-nine million, five hundred thirty-three thousand, nine hundred fifty-three".