53280087 has 8 divisors (see below), whose sum is σ = 81188736. Its totient is φ = 30445752.

The previous prime is 53280083. The next prime is 53280089. The reversal of 53280087 is 78008235.

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

It is not a de Polignac number, because 53280087 - 2² = 53280083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53280083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268553 + ... + 1268594.

It is an arithmetic number, because the mean of its divisors is an integer number (10148592).

Almost surely, 2^53280087 is an apocalyptic number.

53280087 is a deficient number, since it is larger than the sum of its proper divisors (27908649).

53280087 is a wasteful number, since it uses less digits than its factorization.

53280087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537157.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 53280087 is about 7299.3209958187. The cubic root of 53280087 is about 376.2891030466.

The spelling of 53280087 in words is "fifty-three million, two hundred eighty thousand, eighty-seven".