53087616 has 64 divisors (see below), whose sum is σ = 156692400. Its totient is φ = 17694720.

The previous prime is 53087599. The next prime is 53087621. The reversal of 53087616 is 61678035.

53087616 is a `hidden beast` number, since 5 + 30 + 8 + 7 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225 + ... + 11136.

Almost surely, 2^53087616 is an apocalyptic number.

It is an amenable number.

53087616 is an abundant number, since it is smaller than the sum of its proper divisors (103604784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53087616 is a wasteful number, since it uses less digits than its factorization.

53087616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384 (or 15366 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53087616 is about 7286.1248959924. The cubic root of 53087616 is about 375.8354493495.

The spelling of 53087616 in words is "fifty-three million, eighty-seven thousand, six hundred sixteen".