53566047 has 24 divisors (see below), whose sum is σ = 82043520. Its totient is φ = 33618240.

The previous prime is 53566039. The next prime is 53566063. The reversal of 53566047 is 74066535.

53566047 is a `hidden beast` number, since 53 + 566 + 0 + 47 = 666.

It is not a de Polignac number, because 53566047 - 2³ = 53566039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53566027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7729 + ... + 12917.

It is an arithmetic number, because the mean of its divisors is an integer number (3418480).

Almost surely, 2^53566047 is an apocalyptic number.

53566047 is a deficient number, since it is larger than the sum of its proper divisors (28477473).

53566047 is a wasteful number, since it uses less digits than its factorization.

53566047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263 (or 5260 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 53566047 is about 7318.8829065644. The cubic root of 53566047 is about 376.9610970512.

The spelling of 53566047 in words is "fifty-three million, five hundred sixty-six thousand, forty-seven".