54216004 has 12 divisors (see below), whose sum is σ = 96897024. Its totient is φ = 26531144.

The previous prime is 54215971. The next prime is 54216013. The reversal of 54216004 is 40061245.

It is a super-4 number, since 4×54216004⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144004 + ... + 144379.

It is an arithmetic number, because the mean of its divisors is an integer number (8074752).

Almost surely, 2^54216004 is an apocalyptic number.

It is an amenable number.

54216004 is a deficient number, since it is larger than the sum of its proper divisors (42681020).

54216004 is a wasteful number, since it uses less digits than its factorization.

54216004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288434 (or 288432 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 54216004 is about 7363.1517708112. The cubic root of 54216004 is about 378.4796222277.

Adding to 54216004 its reverse (40061245), we get a palindrome (94277249).

The spelling of 54216004 in words is "fifty-four million, two hundred sixteen thousand, four".