555412987 has 2 divisors, whose sum is σ = 555412988. Its totient is φ = 555412986.

The previous prime is 555412951. The next prime is 555413021. The reversal of 555412987 is 789214555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555412987 - 2¹¹ = 555410939 is a prime.

It is a super-2 number, since 2×555412987² = 616967172256524338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555412927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277706493 + 277706494.

It is an arithmetic number, because the mean of its divisors is an integer number (277706494).

Almost surely, 2^555412987 is an apocalyptic number.

555412987 is a deficient number, since it is larger than the sum of its proper divisors (1).

555412987 is an equidigital number, since it uses as much as digits as its factorization.

555412987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 46.

The square root of 555412987 is about 23567.2015097253. The cubic root of 555412987 is about 822.0003645687. Note that the first 3 decimals are identical.

The spelling of 555412987 in words is "five hundred fifty-five million, four hundred twelve thousand, nine hundred eighty-seven".