54021012102 has 32 divisors (see below), whose sum is σ = 121109067360. Its totient is φ = 17847648000.

The previous prime is 54021012091. The next prime is 54021012103. The reversal of 54021012102 is 20121012045.

54021012102 is a `hidden beast` number, since 540 + 2 + 1 + 0 + 121 + 0 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021012103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4420399 + ... + 4432602.

It is an arithmetic number, because the mean of its divisors is an integer number (3784658355).

Almost surely, 2^54021012102 is an apocalyptic number.

54021012102 is an abundant number, since it is smaller than the sum of its proper divisors (67088055258).

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

54021012102 is a wasteful number, since it uses less digits than its factorization.

54021012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853125 (or 8853119 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 54021012102 its reverse (20121012045), we get a palindrome (74142024147).

The spelling of 54021012102 in words is "fifty-four billion, twenty-one million, twelve thousand, one hundred two".