53853516 has 36 divisors (see below), whose sum is σ = 136932432. Its totient is φ = 17845344.

The previous prime is 53853497. The next prime is 53853529. The reversal of 53853516 is 61535835.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1905 + ... + 10551.

Almost surely, 2^53853516 is an apocalyptic number.

It is an amenable number.

53853516 is an abundant number, since it is smaller than the sum of its proper divisors (83078916).

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

53853516 is a wasteful number, since it uses less digits than its factorization.

53853516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8830 (or 8825 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 53853516 is about 7338.4954861334. The cubic root of 53853516 is about 377.6342308782.

The spelling of 53853516 in words is "fifty-three million, eight hundred fifty-three thousand, five hundred sixteen".