555000050251 has 2 divisors, whose sum is σ = 555000050252. Its totient is φ = 555000050250.

The previous prime is 555000050239. The next prime is 555000050261. The reversal of 555000050251 is 152050000555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555000050251 - 2¹⁷ = 554999919179 is a prime.

It is a super-2 number, since 2×555000050251² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555000050261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277500025125 + 277500025126.

It is an arithmetic number, because the mean of its divisors is an integer number (277500025126).

Almost surely, 2^555000050251 is an apocalyptic number.

555000050251 is a deficient number, since it is larger than the sum of its proper divisors (1).

555000050251 is an equidigital number, since it uses as much as digits as its factorization.

555000050251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6250, while the sum is 28.

The spelling of 555000050251 in words is "five hundred fifty-five billion, fifty thousand, two hundred fifty-one".