53573616 has 160 divisors (see below), whose sum is σ = 166060800. Its totient is φ = 16485120.

The previous prime is 53573603. The next prime is 53573621. The reversal of 53573616 is 61637535.

It is a happy number.

53573616 is a `hidden beast` number, since 5 + 35 + 7 + 3 + 616 = 666.

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 31 ways as a sum of consecutive naturals, for example, 500635 + ... + 500741.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^53573616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53573616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83030400).

53573616 is an abundant number, since it is smaller than the sum of its proper divisors (112487184).

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

53573616 is a wasteful number, since it uses less digits than its factorization.

53573616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 192 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 53573616 is about 7319.3999754078. The cubic root of 53573616 is about 376.9788513584.

The spelling of 53573616 in words is "fifty-three million, five hundred seventy-three thousand, six hundred sixteen".