551425057 has 2 divisors, whose sum is σ = 551425058. Its totient is φ = 551425056.

The previous prime is 551425027. The next prime is 551425099. The reversal of 551425057 is 750524155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519885601 + 31539456 = 22801^2 + 5616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551425057 is a prime.

It is equal to p_28916341 and since 551425057 and 28916341 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (551425027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275712528 + 275712529.

It is an arithmetic number, because the mean of its divisors is an integer number (275712529).

Almost surely, 2^551425057 is an apocalyptic number.

It is an amenable number.

551425057 is a deficient number, since it is larger than the sum of its proper divisors (1).

551425057 is an equidigital number, since it uses as much as digits as its factorization.

551425057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35000, while the sum is 34.

The square root of 551425057 is about 23482.4414616539. The cubic root of 551425057 is about 820.0282842713.

The spelling of 551425057 in words is "five hundred fifty-one million, four hundred twenty-five thousand, fifty-seven".