551067401 has 4 divisors (see below), whose sum is σ = 553057092. Its totient is φ = 549077712.

The previous prime is 551067397. The next prime is 551067443. The reversal of 551067401 is 104760155.

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 203804176 + 347263225 = 14276^2 + 18635^2 .

It is a cyclic number.

It is not a de Polignac number, because 551067401 - 2² = 551067397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551067001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994430 + ... + 994983.

It is an arithmetic number, because the mean of its divisors is an integer number (138264273).

Almost surely, 2^551067401 is an apocalyptic number.

It is an amenable number.

551067401 is a deficient number, since it is larger than the sum of its proper divisors (1989691).

551067401 is a wasteful number, since it uses less digits than its factorization.

551067401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989690.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 551067401 is about 23474.8248342773. The cubic root of 551067401 is about 819.8509549652.

The spelling of 551067401 in words is "five hundred fifty-one million, sixty-seven thousand, four hundred one".