54173532240 has 200 divisors, whose sum is σ = 193238766600. Its totient is φ = 14055773184.

The previous prime is 54173532229. The next prime is 54173532299. The reversal of 54173532240 is 4223537145.

54173532240 is a `hidden beast` number, since 54 + 1 + 73 + 532 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 33458263056 + 20715269184 = 182916^2 + 143928^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54173532195 and 54173532204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 126786 + ... + 352734.

It is an arithmetic number, because the mean of its divisors is an integer number (966193833).

Almost surely, 2^54173532240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54173532240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96619383300).

54173532240 is an abundant number, since it is smaller than the sum of its proper divisors (139065234360).

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

54173532240 is a wasteful number, since it uses less digits than its factorization.

54173532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226011 (or 225996 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 54173532240 in words is "fifty-four billion, one hundred seventy-three million, five hundred thirty-two thousand, two hundred forty".