552250421 has 4 divisors (see below), whose sum is σ = 553160832. Its totient is φ = 551340012.

The previous prime is 552250417. The next prime is 552250469. The reversal of 552250421 is 124052255.

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.

It is a cyclic number.

It is not a de Polignac number, because 552250421 - 2² = 552250417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552250411) 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, 454295 + ... + 455508.

It is an arithmetic number, because the mean of its divisors is an integer number (138290208).

Almost surely, 2^552250421 is an apocalyptic number.

It is an amenable number.

552250421 is a deficient number, since it is larger than the sum of its proper divisors (910411).

552250421 is an equidigital number, since it uses as much as digits as its factorization.

552250421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910410.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 552250421 is about 23500.0089574451. The cubic root of 552250421 is about 820.4372152834.

The spelling of 552250421 in words is "five hundred fifty-two million, two hundred fifty thousand, four hundred twenty-one".