53404356 has 48 divisors (see below), whose sum is σ = 127149120. Its totient is φ = 17443200.

The previous prime is 53404339. The next prime is 53404369. The reversal of 53404356 is 65340435.

53404356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 168310 + ... + 168626.

It is an arithmetic number, because the mean of its divisors is an integer number (2648940).

Almost surely, 2^53404356 is an apocalyptic number.

It is an amenable number.

53404356 is an abundant number, since it is smaller than the sum of its proper divisors (73744764).

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

53404356 is a wasteful number, since it uses less digits than its factorization.

53404356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 53404356 is about 7307.8284052104. The cubic root of 53404356 is about 376.5814246591.

The spelling of 53404356 in words is "fifty-three million, four hundred four thousand, three hundred fifty-six".