54545688144 has 40 divisors (see below), whose sum is σ = 156566328320. Its totient is φ = 18181895904.

The previous prime is 54545688121. The next prime is 54545688187. The reversal of 54545688144 is 44188654545.

54545688144 is a `hidden beast` number, since 5 + 4 + 545 + 6 + 88 + 14 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 63131152 + ... + 63132015.

It is an arithmetic number, because the mean of its divisors is an integer number (3914158208).

Almost surely, 2^54545688144 is an apocalyptic number.

54545688144 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

54545688144 is an abundant number, since it is smaller than the sum of its proper divisors (102020640176).

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

54545688144 is a wasteful number, since it uses less digits than its factorization.

54545688144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126263184 (or 126263172 counting only the distinct ones).

The product of its digits is 12288000, while the sum is 54.

The spelling of 54545688144 in words is "fifty-four billion, five hundred forty-five million, six hundred eighty-eight thousand, one hundred forty-four".