53404994 has 8 divisors (see below), whose sum is σ = 80599440. Its totient is φ = 26538516.

The previous prime is 53404969. The next prime is 53404997. The reversal of 53404994 is 49940435.

53404994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53404997) 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 3 ways as a sum of consecutive naturals, for example, 81584 + ... + 82235.

It is an arithmetic number, because the mean of its divisors is an integer number (10074930).

Almost surely, 2^53404994 is an apocalyptic number.

53404994 is a deficient number, since it is larger than the sum of its proper divisors (27194446).

53404994 is a wasteful number, since it uses less digits than its factorization.

53404994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163984.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 53404994 is about 7307.8720568986. The cubic root of 53404994 is about 376.5829242746.

The spelling of 53404994 in words is "fifty-three million, four hundred four thousand, nine hundred ninety-four".