552366421 has 4 divisors (see below), whose sum is σ = 557528832. Its totient is φ = 547204012.

The previous prime is 552366383. The next prime is 552366427. The reversal of 552366421 is 124663255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124663255 = 5 ⋅24932651.

It is a cyclic number.

It is not a de Polignac number, because 552366421 - 2¹³ = 552358229 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 (552366427) 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, 2581045 + ... + 2581258.

It is an arithmetic number, because the mean of its divisors is an integer number (139382208).

Almost surely, 2^552366421 is an apocalyptic number.

It is an amenable number.

552366421 is a deficient number, since it is larger than the sum of its proper divisors (5162411).

552366421 is a wasteful number, since it uses less digits than its factorization.

552366421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162410.

The product of its digits is 43200, while the sum is 34.

The square root of 552366421 is about 23502.4769120193. The cubic root of 552366421 is about 820.4946554414.

The spelling of 552366421 in words is "five hundred fifty-two million, three hundred sixty-six thousand, four hundred twenty-one".