652216554 has 96 divisors (see below), whose sum is σ = 1612578240. Its totient is φ = 188697600.

The previous prime is 652216541. The next prime is 652216571. The reversal of 652216554 is 455612256.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 556389 + ... + 557559.

It is an arithmetic number, because the mean of its divisors is an integer number (16797690).

Almost surely, 2^652216554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652216554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806289120).

652216554 is an abundant number, since it is smaller than the sum of its proper divisors (960361686).

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

652216554 is a wasteful number, since it uses less digits than its factorization.

652216554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1313 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 652216554 is about 25538.5307721490. The cubic root of 652216554 is about 867.2226373160. Note that the first 3 decimals are identical.

The spelling of 652216554 in words is "six hundred fifty-two million, two hundred sixteen thousand, five hundred fifty-four".