552926561 has 6 divisors (see below), whose sum is σ = 607762386. Its totient is φ = 502660400.

The previous prime is 552926537. The next prime is 552926579. The reversal of 552926561 is 165629255.

It can be written as a sum of positive squares in only one way, i.e., 513475600 + 39450961 = 22660^2 + 6281^2 .

It is not a de Polignac number, because 552926561 - 2⁶ = 552926497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (552926501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2284700 + ... + 2284941.

It is an arithmetic number, because the mean of its divisors is an integer number (101293731).

Almost surely, 2^552926561 is an apocalyptic number.

It is an amenable number.

552926561 is a deficient number, since it is larger than the sum of its proper divisors (54835825).

552926561 is a wasteful number, since it uses less digits than its factorization.

552926561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569663 (or 4569652 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 552926561 is about 23514.3905087927. The cubic root of 552926561 is about 820.7719089655.

The spelling of 552926561 in words is "five hundred fifty-two million, nine hundred twenty-six thousand, five hundred sixty-one".