54473681340 has 288 divisors, whose sum is σ = 190119121920. Its totient is φ = 12512890368.

The previous prime is 54473681303. The next prime is 54473681347. The reversal of 54473681340 is 4318637445.

54473681340 is a `hidden beast` number, since 544 + 7 + 3 + 68 + 1 + 3 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54473681347) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2969677 + ... + 2987963.

It is an arithmetic number, because the mean of its divisors is an integer number (660135840).

Almost surely, 2^54473681340 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 54473681340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95059560960).

54473681340 is an abundant number, since it is smaller than the sum of its proper divisors (135645440580).

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

54473681340 is a wasteful number, since it uses less digits than its factorization.

54473681340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401 (or 18396 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 54473681340 in words is "fifty-four billion, four hundred seventy-three million, six hundred eighty-one thousand, three hundred forty".