552055531 has 2 divisors, whose sum is σ = 552055532. Its totient is φ = 552055530.

The previous prime is 552055423. The next prime is 552055541. The reversal of 552055531 is 135550255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 552055531 - 2⁷ = 552055403 is a prime.

It is a super-2 number, since 2×552055531² = 609530618615383922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552055493 and 552055502.

It is not a weakly prime, because it can be changed into another prime (552055541) 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 as a sum of consecutive naturals, namely, 276027765 + 276027766.

It is an arithmetic number, because the mean of its divisors is an integer number (276027766).

Almost surely, 2^552055531 is an apocalyptic number.

552055531 is a deficient number, since it is larger than the sum of its proper divisors (1).

552055531 is an equidigital number, since it uses as much as digits as its factorization.

552055531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 552055531 is about 23495.8619973816. The cubic root of 552055531 is about 820.3406927545.

The spelling of 552055531 in words is "five hundred fifty-two million, fifty-five thousand, five hundred thirty-one".