552433421 has 4 divisors (see below), whose sum is σ = 567364092. Its totient is φ = 537502752.

The previous prime is 552433391. The next prime is 552433459. The reversal of 552433421 is 124334255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124334255 = 5 ⋅24866851.

It can be written as a sum of positive squares in 2 ways, for example, as 279357796 + 273075625 = 16714^2 + 16525^2 .

It is a cyclic number.

It is not a de Polignac number, because 552433421 - 2²² = 548239117 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 (552433471) 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, 7465280 + ... + 7465353.

It is an arithmetic number, because the mean of its divisors is an integer number (141841023).

Almost surely, 2^552433421 is an apocalyptic number.

It is an amenable number.

552433421 is a deficient number, since it is larger than the sum of its proper divisors (14930671).

552433421 is a wasteful number, since it uses less digits than its factorization.

552433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14930670.

The product of its digits is 14400, while the sum is 29.

The square root of 552433421 is about 23503.9022504775. The cubic root of 552433421 is about 820.5278284206.

Adding to 552433421 its reverse (124334255), we get a palindrome (676767676).

The spelling of 552433421 in words is "five hundred fifty-two million, four hundred thirty-three thousand, four hundred twenty-one".