54404406 has 96 divisors (see below), whose sum is σ = 145692000. Its totient is φ = 14986944.

The previous prime is 54404401. The next prime is 54404459. The reversal of 54404406 is 60440445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 54404406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54404401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76380 + ... + 77088.

It is an arithmetic number, because the mean of its divisors is an integer number (1517625).

Almost surely, 2^54404406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54404406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72846000).

54404406 is an abundant number, since it is smaller than the sum of its proper divisors (91287594).

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

54404406 is a wasteful number, since it uses less digits than its factorization.

54404406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 54404406 is about 7375.9342459108. The cubic root of 54404406 is about 378.9175241665.

The spelling of 54404406 in words is "fifty-four million, four hundred four thousand, four hundred six".