552411640 has 64 divisors (see below), whose sum is σ = 1363016160. Its totient is φ = 199825920.

The previous prime is 552411619. The next prime is 552411649. The reversal of 552411640 is 46114255.

It is a junction number, because it is equal to n+sod(n) for n = 552411599 and 552411608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552411649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83494 + ... + 89866.

Almost surely, 2^552411640 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 552411640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681508080).

552411640 is an abundant number, since it is smaller than the sum of its proper divisors (810604520).

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

552411640 is a wasteful number, since it uses less digits than its factorization.

552411640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592 (or 6588 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 552411640 is about 23503.4388973188. The cubic root of 552411640 is about 820.5170445259.

Adding to 552411640 its reverse (46114255), we get a palindrome (598525895).

The spelling of 552411640 in words is "five hundred fifty-two million, four hundred eleven thousand, six hundred forty".