53478004 has 6 divisors (see below), whose sum is σ = 93586514. Its totient is φ = 26739000.

The previous prime is 53477947. The next prime is 53478011. The reversal of 53478004 is 40087435.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 10575504 = 6550^2 + 3252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6684747 + ... + 6684754.

Almost surely, 2^53478004 is an apocalyptic number.

It is an amenable number.

53478004 is a deficient number, since it is larger than the sum of its proper divisors (40108510).

53478004 is a wasteful number, since it uses less digits than its factorization.

53478004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369505 (or 13369503 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 53478004 is about 7312.8656489778. The cubic root of 53478004 is about 376.7544550471.

The spelling of 53478004 in words is "fifty-three million, four hundred seventy-eight thousand, four".