53666337 has 16 divisors (see below), whose sum is σ = 74839680. Its totient is φ = 34142592.

The previous prime is 53666329. The next prime is 53666351. The reversal of 53666337 is 73366635.

It is not a de Polignac number, because 53666337 - 2³ = 53666329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53666295 and 53666304.

It is not an unprimeable number, because it can be changed into a prime (53666357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48373 + ... + 49469.

It is an arithmetic number, because the mean of its divisors is an integer number (4677480).

Almost surely, 2^53666337 is an apocalyptic number.

It is an amenable number.

53666337 is a deficient number, since it is larger than the sum of its proper divisors (21173343).

53666337 is a wasteful number, since it uses less digits than its factorization.

53666337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its digits is 204120, while the sum is 39.

The square root of 53666337 is about 7325.7311580483. The cubic root of 53666337 is about 377.1962077919.

The spelling of 53666337 in words is "fifty-three million, six hundred sixty-six thousand, three hundred thirty-seven".