552378823 has 4 divisors (see below), whose sum is σ = 559371040. Its totient is φ = 545386608.

The previous prime is 552378821. The next prime is 552378829. The reversal of 552378823 is 328873255.

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 552378823 - 2¹ = 552378821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552378823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552378821) 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, 3495990 + ... + 3496147.

It is an arithmetic number, because the mean of its divisors is an integer number (139842760).

Almost surely, 2^552378823 is an apocalyptic number.

552378823 is a deficient number, since it is larger than the sum of its proper divisors (6992217).

552378823 is an equidigital number, since it uses as much as digits as its factorization.

552378823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992216.

The product of its digits is 403200, while the sum is 43.

The square root of 552378823 is about 23502.7407550694. The cubic root of 552378823 is about 820.5007961107.

The spelling of 552378823 in words is "five hundred fifty-two million, three hundred seventy-eight thousand, eight hundred twenty-three".