54165620544 has 112 divisors (see below), whose sum is σ = 166093664256. Its totient is φ = 15257894400.

The previous prime is 54165620539. The next prime is 54165620557. The reversal of 54165620544 is 44502656145.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 54165620496 and 54165620505.

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, 188392 + ... + 379239.

Almost surely, 2^54165620544 is an apocalyptic number.

It is an amenable number.

54165620544 is an abundant number, since it is smaller than the sum of its proper divisors (111928043712).

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

54165620544 is a wasteful number, since it uses less digits than its factorization.

54165620544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567724 (or 567714 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 54165620544 in words is "fifty-four billion, one hundred sixty-five million, six hundred twenty thousand, five hundred forty-four".