551553127 has 2 divisors, whose sum is σ = 551553128. Its totient is φ = 551553126.

The previous prime is 551553103. The next prime is 551553137. The reversal of 551553127 is 721355155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551553127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551553092 and 551553101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551553137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275776563 + 275776564.

It is an arithmetic number, because the mean of its divisors is an integer number (275776564).

Almost surely, 2^551553127 is an apocalyptic number.

551553127 is a deficient number, since it is larger than the sum of its proper divisors (1).

551553127 is an equidigital number, since it uses as much as digits as its factorization.

551553127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26250, while the sum is 34.

The square root of 551553127 is about 23485.1682344411. The cubic root of 551553127 is about 820.0917639721.

The spelling of 551553127 in words is "five hundred fifty-one million, five hundred fifty-three thousand, one hundred twenty-seven".