54456444 has 54 divisors (see below), whose sum is σ = 160133064. Its totient is φ = 15558480.

The previous prime is 54456443. The next prime is 54456449. The reversal of 54456444 is 44465445.

54456444 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 644 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54456399 and 54456408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54456443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13672 + ... + 17199.

Almost surely, 2^54456444 is an apocalyptic number.

It is an amenable number.

54456444 is an abundant number, since it is smaller than the sum of its proper divisors (105676620).

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

54456444 is a wasteful number, since it uses less digits than its factorization.

54456444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895 (or 30883 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 54456444 is about 7379.4609559235. The cubic root of 54456444 is about 379.0382976362.

Subtracting from 54456444 its reverse (44465445), we obtain a palindrome (9990999).

The spelling of 54456444 in words is "fifty-four million, four hundred fifty-six thousand, four hundred forty-four".