552366394 has 4 divisors (see below), whose sum is σ = 828549594. Its totient is φ = 276183196.

The previous prime is 552366383. The next prime is 552366427. The reversal of 552366394 is 493663255.

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

It can be written as a sum of positive squares in only one way, i.e., 442892025 + 109474369 = 21045^2 + 10463^2 .

It is a super-3 number, since 3×552366394³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 552366394.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138091597 + ... + 138091600.

Almost surely, 2^552366394 is an apocalyptic number.

552366394 is a deficient number, since it is larger than the sum of its proper divisors (276183200).

552366394 is a wasteful number, since it uses less digits than its factorization.

552366394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276183199.

The product of its digits is 583200, while the sum is 43.

The square root of 552366394 is about 23502.4763376117. The cubic root of 552366394 is about 820.4946420726.

It can be divided in two parts, 5523 and 66394, that added together give a palindrome (71917).

The spelling of 552366394 in words is "five hundred fifty-two million, three hundred sixty-six thousand, three hundred ninety-four".