53280985 has 8 divisors (see below), whose sum is σ = 64117440. Its totient is φ = 42504624.

The previous prime is 53280967. The next prime is 53280989. The reversal of 53280985 is 58908235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53280985 - 2²¹ = 51183833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53280989) 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 7 ways as a sum of consecutive naturals, for example, 13047 + ... + 16636.

It is an arithmetic number, because the mean of its divisors is an integer number (8014680).

Almost surely, 2^53280985 is an apocalyptic number.

It is an amenable number.

53280985 is a deficient number, since it is larger than the sum of its proper divisors (10836455).

53280985 is a wasteful number, since it uses less digits than its factorization.

53280985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30047.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 53280985 is about 7299.3825081304. The cubic root of 53280985 is about 376.2912170679.

The spelling of 53280985 in words is "fifty-three million, two hundred eighty thousand, nine hundred eighty-five".