54422004 has 192 divisors, whose sum is σ = 171100160. Its totient is φ = 13063680.

The previous prime is 54422003. The next prime is 54422029. The reversal of 54422004 is 40022445.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54422003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 892134 + ... + 892194.

Almost surely, 2^54422004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54422004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85550080).

54422004 is an abundant number, since it is smaller than the sum of its proper divisors (116678156).

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

54422004 is a wasteful number, since it uses less digits than its factorization.

54422004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 54422004 is about 7377.1270830859. The cubic root of 54422004 is about 378.9583754641.

Adding to 54422004 its reverse (40022445), we get a palindrome (94444449).

The spelling of 54422004 in words is "fifty-four million, four hundred twenty-two thousand, four".