551198707 has 2 divisors, whose sum is σ = 551198708. Its totient is φ = 551198706.

The previous prime is 551198677. The next prime is 551198779. The reversal of 551198707 is 707891155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551198707 - 2¹⁵ = 551165939 is a prime.

It is not a weakly prime, because it can be changed into another prime (551198407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275599353 + 275599354.

It is an arithmetic number, because the mean of its divisors is an integer number (275599354).

Almost surely, 2^551198707 is an apocalyptic number.

551198707 is a deficient number, since it is larger than the sum of its proper divisors (1).

551198707 is an equidigital number, since it uses as much as digits as its factorization.

551198707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 43.

The square root of 551198707 is about 23477.6214084817. The cubic root of 551198707 is about 819.9160666619.

The spelling of 551198707 in words is "five hundred fifty-one million, one hundred ninety-eight thousand, seven hundred seven".