552121434 has 40 divisors (see below), whose sum is σ = 1239042420. Its totient is φ = 183760704.

The previous prime is 552121433. The next prime is 552121447. The reversal of 552121434 is 434121255.

It can be written as a sum of positive squares in 2 ways, for example, as 416282409 + 135839025 = 20403^2 + 11655^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 552121398 and 552121407.

It is not an unprimeable number, because it can be changed into a prime (552121433) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 123022 + ... + 127430.

Almost surely, 2^552121434 is an apocalyptic number.

552121434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

552121434 is an abundant number, since it is smaller than the sum of its proper divisors (686920986).

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

552121434 is a wasteful number, since it uses less digits than its factorization.

552121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196 (or 5187 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 552121434 is about 23497.2643939672. The cubic root of 552121434 is about 820.3733348581.

Adding to 552121434 its reverse (434121255), we get a palindrome (986242689).

The spelling of 552121434 in words is "five hundred fifty-two million, one hundred twenty-one thousand, four hundred thirty-four".