54788451840 has 480 divisors, whose sum is σ = 203627904480. Its totient is φ = 14101807104.

The previous prime is 54788451833. The next prime is 54788451847. The reversal of 54788451840 is 4815488745.

54788451840 is a `hidden beast` number, since 5 + 4 + 7 + 8 + 84 + 518 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (54788451833) and next prime (54788451847).

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54788451847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18038802 + ... + 18041838.

It is an arithmetic number, because the mean of its divisors is an integer number (424224801).

Almost surely, 2^54788451840 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 54788451840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101813952240).

54788451840 is an abundant number, since it is smaller than the sum of its proper divisors (148839452640).

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

54788451840 is an equidigital number, since it uses as much as digits as its factorization.

54788451840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 54.

The spelling of 54788451840 in words is "fifty-four billion, seven hundred eighty-eight million, four hundred fifty-one thousand, eight hundred forty".