54215004 has 24 divisors (see below), whose sum is σ = 127415680. Its totient is φ = 17941104.

The previous prime is 54215003. The next prime is 54215009. The reversal of 54215004 is 40051245.

54215004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54215003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14584 + ... + 17919.

Almost surely, 2^54215004 is an apocalyptic number.

It is an amenable number.

54215004 is an abundant number, since it is smaller than the sum of its proper divisors (73200676).

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

54215004 is a wasteful number, since it uses less digits than its factorization.

54215004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32649 (or 32647 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54215004 is about 7363.0838647947. The cubic root of 54215004 is about 378.4772952276.

Adding to 54215004 its reverse (40051245), we get a palindrome (94266249).

The spelling of 54215004 in words is "fifty-four million, two hundred fifteen thousand, four".