53446943 has 16 divisors (see below), whose sum is σ = 62691840. Its totient is φ = 45043200.

The previous prime is 53446931. The next prime is 53446961. The reversal of 53446943 is 34964435.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53446943 - 2⁴ = 53446927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53446897 and 53446906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53446993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7103 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (3918240).

Almost surely, 2^53446943 is an apocalyptic number.

53446943 is a deficient number, since it is larger than the sum of its proper divisors (9244897).

53446943 is a wasteful number, since it uses less digits than its factorization.

53446943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518.

The product of its digits is 155520, while the sum is 38.

The square root of 53446943 is about 7310.7416176473. The cubic root of 53446943 is about 376.6814989678.

The spelling of 53446943 in words is "fifty-three million, four hundred forty-six thousand, nine hundred forty-three".