54011533212 has 432 divisors, whose sum is σ = 179679007872. Its totient is φ = 14059785600.

The previous prime is 54011533207. The next prime is 54011533243. The reversal of 54011533212 is 21233511045.

54011533212 is a `hidden beast` number, since 5 + 401 + 15 + 33 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 51390087 + ... + 51391137.

Almost surely, 2^54011533212 is an apocalyptic number.

54011533212 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 54011533212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89839503936).

54011533212 is an abundant number, since it is smaller than the sum of its proper divisors (125667474660).

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

54011533212 is a wasteful number, since it uses less digits than its factorization.

54011533212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 54011533212 in words is "fifty-four billion, eleven million, five hundred thirty-three thousand, two hundred twelve".