54211555520 has 56 divisors (see below), whose sum is σ = 129120900000. Its totient is φ = 21679644672.

The previous prime is 54211555511. The next prime is 54211555537. The reversal of 54211555520 is 2555511245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582736 + ... + 1616624.

Almost surely, 2^54211555520 is an apocalyptic number.

It is an amenable number.

54211555520 is an abundant number, since it is smaller than the sum of its proper divisors (74909344480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54211555520 is a wasteful number, since it uses less digits than its factorization.

54211555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38905 (or 38895 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 54211555520 in words is "fifty-four billion, two hundred eleven million, five hundred fifty-five thousand, five hundred twenty".