54879921652 has 6 divisors (see below), whose sum is σ = 96039862898. Its totient is φ = 27439960824.

The previous prime is 54879921631. The next prime is 54879921671. The reversal of 54879921652 is 25612997845.

It is a happy number.

54879921652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53133016036 + 1746905616 = 230506^2 + 41796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6859990203 + ... + 6859990210.

Almost surely, 2^54879921652 is an apocalyptic number.

It is an amenable number.

54879921652 is a deficient number, since it is larger than the sum of its proper divisors (41159941246).

54879921652 is a wasteful number, since it uses less digits than its factorization.

54879921652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719980417 (or 13719980415 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 58.

The spelling of 54879921652 in words is "fifty-four billion, eight hundred seventy-nine million, nine hundred twenty-one thousand, six hundred fifty-two".