553012420 has 24 divisors (see below), whose sum is σ = 1161783000. Its totient is φ = 221117952.

The previous prime is 553012409. The next prime is 553012477. The reversal of 553012420 is 24210355.

It can be written as a sum of positive squares in 4 ways, for example, as 23736384 + 529276036 = 4872^2 + 23006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 553012391 and 553012400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77566 + ... + 84394.

It is an arithmetic number, because the mean of its divisors is an integer number (48407625).

Almost surely, 2^553012420 is an apocalyptic number.

It is an amenable number.

553012420 is an abundant number, since it is smaller than the sum of its proper divisors (608770580).

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

553012420 is a wasteful number, since it uses less digits than its factorization.

553012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10887 (or 10885 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 553012420 is about 23516.2161071887. The cubic root of 553012420 is about 820.8143901996.

Adding to 553012420 its reverse (24210355), we get a palindrome (577222775).

The spelling of 553012420 in words is "five hundred fifty-three million, twelve thousand, four hundred twenty".