551701061 has 4 divisors (see below), whose sum is σ = 554501772. Its totient is φ = 548900352.

The previous prime is 551701037. The next prime is 551701097. The reversal of 551701061 is 160107155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 408444100 + 143256961 = 20210^2 + 11969^2 .

It is a cyclic number.

It is not a de Polignac number, because 551701061 - 2⁶ = 551700997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551701061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551701961) 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 in 3 ways as a sum of consecutive naturals, for example, 1400060 + ... + 1400453.

It is an arithmetic number, because the mean of its divisors is an integer number (138625443).

Almost surely, 2^551701061 is an apocalyptic number.

It is an amenable number.

551701061 is a deficient number, since it is larger than the sum of its proper divisors (2800711).

551701061 is a wasteful number, since it uses less digits than its factorization.

551701061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800710.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 551701061 is about 23488.3175429829. The cubic root of 551701061 is about 820.1650773147.

The spelling of 551701061 in words is "five hundred fifty-one million, seven hundred one thousand, sixty-one".