54404121205554 has 32 divisors (see below), whose sum is σ = 109653211235520. Its totient is φ = 17994239569152.

The previous prime is 54404121205547. The next prime is 54404121205571. The reversal of 54404121205554 is 45550212140445.

It is a super-2 number, since 2×54404121205554² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

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, 44475939 + ... + 45682790.

It is an arithmetic number, because the mean of its divisors is an integer number (3426662851110).

Almost surely, 2^{54404121205554} is an apocalyptic number.

54404121205554 is an abundant number, since it is smaller than the sum of its proper divisors (55249090029966).

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

54404121205554 is a wasteful number, since it uses less digits than its factorization.

54404121205554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90159514.

The product of its (nonzero) digits is 640000, while the sum is 42.

Adding to 54404121205554 its reverse (45550212140445), we get a palindrome (99954333345999).

The spelling of 54404121205554 in words is "fifty-four trillion, four hundred four billion, one hundred twenty-one million, two hundred five thousand, five hundred fifty-four".