54404153420553 has 24 divisors (see below), whose sum is σ = 81701954015136. Its totient is φ = 34856683646400.

The previous prime is 54404153420401. The next prime is 54404153420557. The reversal of 54404153420553 is 35502435140445.

54404153420553 is a `hidden beast` number, since 5 + 4 + 4 + 0 + 4 + 1 + 53 + 42 + 0 + 553 = 666.

It is not a de Polignac number, because 54404153420553 - 2²⁹ = 54403616549641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54404153420499 and 54404153420508.

It is not an unprimeable number, because it can be changed into a prime (54404153420557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1100249383 + ... + 1100298828.

It is an arithmetic number, because the mean of its divisors is an integer number (3404248083964).

Almost surely, 2^{54404153420553} is an apocalyptic number.

It is an amenable number.

54404153420553 is a deficient number, since it is larger than the sum of its proper divisors (27297800594583).

54404153420553 is a wasteful number, since it uses less digits than its factorization.

54404153420553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200548325 (or 2200548322 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 54404153420553 its reverse (35502435140445), we get a palindrome (89906588560998).

The spelling of 54404153420553 in words is "fifty-four trillion, four hundred four billion, one hundred fifty-three million, four hundred twenty thousand, five hundred fifty-three".