54545321421100 has 36 divisors (see below), whose sum is σ = 118363836214008. Its totient is φ = 21818038480000.

The previous prime is 54545321421053. The next prime is 54545321421121. The reversal of 54545321421100 is 112412354545.

It is a super-2 number, since 2×54545321421100² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54545321421100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26613000 + ... + 28589200.

It is an arithmetic number, because the mean of its divisors is an integer number (3287884339278).

Almost surely, 2^{54545321421100} is an apocalyptic number.

54545321421100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54545321421100 is an abundant number, since it is smaller than the sum of its proper divisors (63818514792908).

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

54545321421100 is a wasteful number, since it uses less digits than its factorization.

54545321421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252226 (or 2252219 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 54545321421100 its reverse (112412354545), we get a palindrome (54657733775645).

The spelling of 54545321421100 in words is "fifty-four trillion, five hundred forty-five billion, three hundred twenty-one million, four hundred twenty-one thousand, one hundred".