552421524 has 24 divisors (see below), whose sum is σ = 1296439200. Its totient is φ = 183075424.

The previous prime is 552421517. The next prime is 552421537. The reversal of 552421524 is 425124255.

It is a junction number, because it is equal to n+sod(n) for n = 552421491 and 552421500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130974 + ... + 135125.

It is an arithmetic number, because the mean of its divisors is an integer number (54018300).

Almost surely, 2^552421524 is an apocalyptic number.

It is an amenable number.

552421524 is an abundant number, since it is smaller than the sum of its proper divisors (744017676).

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

552421524 is a wasteful number, since it uses less digits than its factorization.

552421524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266279 (or 266277 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 552421524 is about 23503.6491634810. The cubic root of 552421524 is about 820.5219381846.

Adding to 552421524 its reverse (425124255), we get a palindrome (977545779).

The spelling of 552421524 in words is "five hundred fifty-two million, four hundred twenty-one thousand, five hundred twenty-four".