53225985 has 16 divisors (see below), whose sum is σ = 85499136. Its totient is φ = 28274688.

The previous prime is 53225947. The next prime is 53225993. The reversal of 53225985 is 58952235.

53225985 = 321² + 322² + ... + 577².

It is not a de Polignac number, because 53225985 - 2²² = 49031681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3049 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (5343696).

Almost surely, 2^53225985 is an apocalyptic number.

It is an amenable number.

53225985 is a deficient number, since it is larger than the sum of its proper divisors (32273151).

53225985 is a wasteful number, since it uses less digits than its factorization.

53225985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072.

The product of its digits is 108000, while the sum is 39.

The square root of 53225985 is about 7295.6140934126. The cubic root of 53225985 is about 376.1616952990.

The spelling of 53225985 in words is "fifty-three million, two hundred twenty-five thousand, nine hundred eighty-five".