552173987 has 2 divisors, whose sum is σ = 552173988. Its totient is φ = 552173986.

The previous prime is 552173927. The next prime is 552174043. The reversal of 552173987 is 789371255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 552173987 - 2¹⁶ = 552108451 is a prime.

It is a super-2 number, since 2×552173987² = 609792223838952338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (552173927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276086993 + 276086994.

It is an arithmetic number, because the mean of its divisors is an integer number (276086994).

Almost surely, 2^552173987 is an apocalyptic number.

552173987 is a deficient number, since it is larger than the sum of its proper divisors (1).

552173987 is an equidigital number, since it uses as much as digits as its factorization.

552173987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 47.

The square root of 552173987 is about 23498.3826464717. The cubic root of 552173987 is about 820.3993627748.

The spelling of 552173987 in words is "five hundred fifty-two million, one hundred seventy-three thousand, nine hundred eighty-seven".