552312381 has 4 divisors (see below), whose sum is σ = 736416512. Its totient is φ = 368208252.

The previous prime is 552312359. The next prime is 552312391. The reversal of 552312381 is 183213255.

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 not a de Polignac number, because 552312381 - 2¹¹ = 552310333 is a prime.

It is a super-2 number, since 2×552312381² = 610097932411778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552312331) 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, 92052061 + ... + 92052066.

It is an arithmetic number, because the mean of its divisors is an integer number (184104128).

Almost surely, 2^552312381 is an apocalyptic number.

It is an amenable number.

552312381 is a deficient number, since it is larger than the sum of its proper divisors (184104131).

552312381 is a wasteful number, since it uses less digits than its factorization.

552312381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184104130.

The product of its digits is 7200, while the sum is 30.

The square root of 552312381 is about 23501.3272178403. The cubic root of 552312381 is about 820.4678972512.

The spelling of 552312381 in words is "five hundred fifty-two million, three hundred twelve thousand, three hundred eighty-one".