54321012 has 36 divisors (see below), whose sum is σ = 137650240. Its totient is φ = 18062352.

The previous prime is 54320993. The next prime is 54321041. The reversal of 54321012 is 21012345.

54321012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15039 + ... + 18297.

Almost surely, 2^54321012 is an apocalyptic number.

It is an amenable number.

54321012 is an abundant number, since it is smaller than the sum of its proper divisors (83329228).

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

54321012 is a wasteful number, since it uses less digits than its factorization.

54321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 54321012 is about 7370.2789635128. The cubic root of 54321012 is about 378.7238167699.

Adding to 54321012 its reverse (21012345), we get a palindrome (75333357).

The spelling of 54321012 in words is "fifty-four million, three hundred twenty-one thousand, twelve".