53430656 has 32 divisors (see below), whose sum is σ = 111078000. Its totient is φ = 25552384.

The previous prime is 53430653. The next prime is 53430661. The reversal of 53430656 is 65603435.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6131 + ... + 12018.

Almost surely, 2^53430656 is an apocalyptic number.

It is an amenable number.

53430656 is an abundant number, since it is smaller than the sum of its proper divisors (57647344).

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

53430656 is a wasteful number, since it uses less digits than its factorization.

53430656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186 (or 18174 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 53430656 is about 7309.6276238944. The cubic root of 53430656 is about 376.6432327639.

The spelling of 53430656 in words is "fifty-three million, four hundred thirty thousand, six hundred fifty-six".