553613616 has 100 divisors (see below), whose sum is σ = 1617431200. Its totient is φ = 182798208.

The previous prime is 553613603. The next prime is 553613633. The reversal of 553613616 is 616316355.

553613616 is a `hidden beast` number, since 5 + 5 + 36 + 1 + 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 19 ways as a sum of consecutive naturals, for example, 139305 + ... + 143223.

It is an arithmetic number, because the mean of its divisors is an integer number (16174312).

Almost surely, 2^553613616 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 553613616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808715600).

553613616 is an abundant number, since it is smaller than the sum of its proper divisors (1063817584).

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

553613616 is a wasteful number, since it uses less digits than its factorization.

553613616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048 (or 4033 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 553613616 is about 23528.9952186658. The cubic root of 553613616 is about 821.1117262667. Note that the first 3 decimals are identical.

The spelling of 553613616 in words is "five hundred fifty-three million, six hundred thirteen thousand, six hundred sixteen".