54551312000 has 128 divisors (see below), whose sum is σ = 136975110480. Its totient is φ = 21603840000.

The previous prime is 54551311963. The next prime is 54551312027. The reversal of 54551312000 is 21315545.

It can be written as a sum of positive squares in 8 ways, for example, as 14355873856 + 40195438144 = 119816^2 + 200488^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599122 + ... + 1632878.

Almost surely, 2^54551312000 is an apocalyptic number.

54551312000 is a gapful number since it is divisible by the number (50) 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 54551312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68487555240).

54551312000 is an abundant number, since it is smaller than the sum of its proper divisors (82423798480).

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

54551312000 is a wasteful number, since it uses less digits than its factorization.

54551312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33887 (or 33865 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 54551312000 its reverse (21315545), we get a palindrome (54572627545).

The spelling of 54551312000 in words is "fifty-four billion, five hundred fifty-one million, three hundred twelve thousand".