552431399 has 4 divisors (see below), whose sum is σ = 594926136. Its totient is φ = 509936664.

The previous prime is 552431381. The next prime is 552431413. The reversal of 552431399 is 993134255.

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

It is a cyclic number.

It is not a de Polignac number, because 552431399 - 2¹² = 552427303 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 (552431329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21247349 + ... + 21247374.

It is an arithmetic number, because the mean of its divisors is an integer number (148731534).

Almost surely, 2^552431399 is an apocalyptic number.

552431399 is a deficient number, since it is larger than the sum of its proper divisors (42494737).

552431399 is a wasteful number, since it uses less digits than its factorization.

552431399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42494736.

The product of its digits is 145800, while the sum is 41.

The square root of 552431399 is about 23503.8592363042. The cubic root of 552431399 is about 820.5268273290.

The spelling of 552431399 in words is "five hundred fifty-two million, four hundred thirty-one thousand, three hundred ninety-nine".