552432420 has 96 divisors (see below), whose sum is σ = 1744444800. Its totient is φ = 145107072.

The previous prime is 552432379. The next prime is 552432473. The reversal of 552432420 is 24234255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 28546 + ... + 43814.

It is an arithmetic number, because the mean of its divisors is an integer number (18171300).

Almost surely, 2^552432420 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 552432420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872222400).

552432420 is an abundant number, since it is smaller than the sum of its proper divisors (1192012380).

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

552432420 is a wasteful number, since it uses less digits than its factorization.

552432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15354 (or 15346 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 552432420 is about 23503.8809561315. The cubic root of 552432420 is about 820.5273328261.

Adding to 552432420 its reverse (24234255), we get a palindrome (576666675).

The spelling of 552432420 in words is "five hundred fifty-two million, four hundred thirty-two thousand, four hundred twenty".