54861434480 has 80 divisors (see below), whose sum is σ = 140103889920. Its totient is φ = 19885688064.

The previous prime is 54861434471. The next prime is 54861434491. The reversal of 54861434480 is 8443416845.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749672 + ... + 819591.

It is an arithmetic number, because the mean of its divisors is an integer number (1751298624).

Almost surely, 2^54861434480 is an apocalyptic number.

It is an amenable number.

54861434480 is an abundant number, since it is smaller than the sum of its proper divisors (85242455440).

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

54861434480 is a wasteful number, since it uses less digits than its factorization.

54861434480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569318 (or 1569312 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 54861434480 in words is "fifty-four billion, eight hundred sixty-one million, four hundred thirty-four thousand, four hundred eighty".