54455255040 has 240 divisors, whose sum is σ = 178338460608. Its totient is φ = 14180941824.

The previous prime is 54455255027. The next prime is 54455255047. The reversal of 54455255040 is 4055255445.

It is a tau number, because it is divible by the number of its divisors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 54455255040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54455255047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10565104 + ... + 10570256.

Almost surely, 2^54455255040 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 54455255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89169230304).

54455255040 is an abundant number, since it is smaller than the sum of its proper divisors (123883205568).

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

54455255040 is an equidigital number, since it uses as much as digits as its factorization.

54455255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 39.

The spelling of 54455255040 in words is "fifty-four billion, four hundred fifty-five million, two hundred fifty-five thousand, forty".