53428961 has 8 divisors (see below), whose sum is σ = 53919360. Its totient is φ = 52941168.

The previous prime is 53428957. The next prime is 53428967. The reversal of 53428961 is 16982435.

It is a happy number.

53428961 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 a cyclic number.

It is not a de Polignac number, because 53428961 - 2² = 53428957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53428967) 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 7 ways as a sum of consecutive naturals, for example, 71930 + ... + 72668.

It is an arithmetic number, because the mean of its divisors is an integer number (6739920).

Almost surely, 2^53428961 is an apocalyptic number.

It is an amenable number.

53428961 is a deficient number, since it is larger than the sum of its proper divisors (490399).

53428961 is a wasteful number, since it uses less digits than its factorization.

53428961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its digits is 51840, while the sum is 38.

The square root of 53428961 is about 7309.5116799961. The cubic root of 53428961 is about 376.6392499253.

The spelling of 53428961 in words is "fifty-three million, four hundred twenty-eight thousand, nine hundred sixty-one".