53527665 has 16 divisors (see below), whose sum is σ = 85910976. Its totient is φ = 28459200.

The previous prime is 53527657. The next prime is 53527667. The reversal of 53527665 is 56672535.

It is not a de Polignac number, because 53527665 - 2³ = 53527657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53527667) 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, 426 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (5369436).

Almost surely, 2^53527665 is an apocalyptic number.

It is an amenable number.

53527665 is a deficient number, since it is larger than the sum of its proper divisors (32383311).

53527665 is a wasteful number, since it uses less digits than its factorization.

53527665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11120.

The product of its digits is 189000, while the sum is 39.

The square root of 53527665 is about 7316.2603152157. The cubic root of 53527665 is about 376.8710401417.

The spelling of 53527665 in words is "fifty-three million, five hundred twenty-seven thousand, six hundred sixty-five".