552363961 has 4 divisors (see below), whose sum is σ = 552413952. Its totient is φ = 552313972.

The previous prime is 552363947. The next prime is 552364049. The reversal of 552363961 is 169363255.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 169363255 = 5 ⋅33872651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552363961 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552363901) 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, 265 + ... + 33238.

It is an arithmetic number, because the mean of its divisors is an integer number (138103488).

Almost surely, 2^552363961 is an apocalyptic number.

It is an amenable number.

552363961 is a deficient number, since it is larger than the sum of its proper divisors (49991).

552363961 is a wasteful number, since it uses less digits than its factorization.

552363961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49990.

The product of its digits is 145800, while the sum is 40.

The square root of 552363961 is about 23502.4245770516. The cubic root of 552363961 is about 820.4934373973.

The spelling of 552363961 in words is "five hundred fifty-two million, three hundred sixty-three thousand, nine hundred sixty-one".