53443047 has 8 divisors (see below), whose sum is σ = 81437056. Its totient is φ = 30538872.

The previous prime is 53442989. The next prime is 53443063. The reversal of 53443047 is 74034435.

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

It is not a de Polignac number, because 53443047 - 2⁷ = 53442919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53443147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1272433 + ... + 1272474.

It is an arithmetic number, because the mean of its divisors is an integer number (10179632).

Almost surely, 2^53443047 is an apocalyptic number.

53443047 is a deficient number, since it is larger than the sum of its proper divisors (27994009).

53443047 is a wasteful number, since it uses less digits than its factorization.

53443047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544917.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 53443047 is about 7310.4751555559. The cubic root of 53443047 is about 376.6723460478.

The spelling of 53443047 in words is "fifty-three million, four hundred forty-three thousand, forty-seven".