552316644 has 168 divisors, whose sum is σ = 1610749728. Its totient is φ = 164229120.

The previous prime is 552316637. The next prime is 552316669. The reversal of 552316644 is 446613255.

552316644 is a `hidden beast` number, since 5 + 5 + 2 + 3 + 1 + 6 + 644 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 552316599 and 552316608.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2148964 + ... + 2149220.

It is an arithmetic number, because the mean of its divisors is an integer number (9587796).

Almost surely, 2^552316644 is an apocalyptic number.

552316644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552316644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805374864).

552316644 is an abundant number, since it is smaller than the sum of its proper divisors (1058433084).

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

552316644 is a wasteful number, since it uses less digits than its factorization.

552316644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 340 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 552316644 is about 23501.4179146706. The cubic root of 552316644 is about 820.4700081615.

Adding to 552316644 its reverse (446613255), we get a palindrome (998929899).

The spelling of 552316644 in words is "five hundred fifty-two million, three hundred sixteen thousand, six hundred forty-four".