53047533 has 32 divisors (see below), whose sum is σ = 88906752. Its totient is φ = 27331200.

The previous prime is 53047517. The next prime is 53047559. The reversal of 53047533 is 33574035.

It is not a de Polignac number, because 53047533 - 2⁴ = 53047517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53047533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53047573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29385 + ... + 31137.

It is an arithmetic number, because the mean of its divisors is an integer number (2778336).

Almost surely, 2^53047533 is an apocalyptic number.

It is an amenable number.

53047533 is a deficient number, since it is larger than the sum of its proper divisors (35859219).

53047533 is a wasteful number, since it uses less digits than its factorization.

53047533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 53047533 is about 7283.3737374928. The cubic root of 53047533 is about 375.7408359131.

The spelling of 53047533 in words is "fifty-three million, forty-seven thousand, five hundred thirty-three".