54040004 has 6 divisors (see below), whose sum is σ = 94570014. Its totient is φ = 27020000.

The previous prime is 54040001. The next prime is 54040013. The reversal of 54040004 is 40004045.

It can be written as a sum of positive squares in only one way, i.e., 31382404 + 22657600 = 5602^2 + 4760^2 .

It is not an unprimeable number, because it can be changed into a prime (54040001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6754997 + ... + 6755004.

It is an arithmetic number, because the mean of its divisors is an integer number (15761669).

Almost surely, 2^54040004 is an apocalyptic number.

It is an amenable number.

54040004 is a deficient number, since it is larger than the sum of its proper divisors (40530010).

54040004 is a wasteful number, since it uses less digits than its factorization.

54040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510005 (or 13510003 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 54040004 is about 7351.1906518604. The cubic root of 54040004 is about 378.0696287474.

Adding to 54040004 its reverse (40004045), we get a palindrome (94044049).

The spelling of 54040004 in words is "fifty-four million, forty thousand, four", and thus it is an eban number.