54541453512 has 256 divisors, whose sum is σ = 178698240000. Its totient is φ = 13758522624.

The previous prime is 54541453471. The next prime is 54541453513. The reversal of 54541453512 is 21535414545.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (54541453513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2450289 + ... + 2472447.

It is an arithmetic number, because the mean of its divisors is an integer number (698040000).

Almost surely, 2^54541453512 is an apocalyptic number.

54541453512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54541453512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89349120000).

54541453512 is an abundant number, since it is smaller than the sum of its proper divisors (124156786488).

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

54541453512 is a wasteful number, since it uses less digits than its factorization.

54541453512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22225 (or 22207 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The spelling of 54541453512 in words is "fifty-four billion, five hundred forty-one million, four hundred fifty-three thousand, five hundred twelve".