552510421 has 4 divisors (see below), whose sum is σ = 585011052. Its totient is φ = 520009792.

The previous prime is 552510419. The next prime is 552510433. The reversal of 552510421 is 124015255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227104900 + 325405521 = 15070^2 + 18039^2 .

It is a cyclic number.

It is not a de Polignac number, because 552510421 - 2¹ = 552510419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552510461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16250290 + ... + 16250323.

It is an arithmetic number, because the mean of its divisors is an integer number (146252763).

Almost surely, 2^552510421 is an apocalyptic number.

It is an amenable number.

552510421 is a deficient number, since it is larger than the sum of its proper divisors (32500631).

552510421 is a wasteful number, since it uses less digits than its factorization.

552510421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32500630.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 552510421 is about 23505.5402192760. The cubic root of 552510421 is about 820.5659492783.

Adding to 552510421 its reverse (124015255), we get a palindrome (676525676).

The spelling of 552510421 in words is "five hundred fifty-two million, five hundred ten thousand, four hundred twenty-one".