551567061 has 12 divisors (see below), whose sum is σ = 801597888. Its totient is φ = 365454504.

The previous prime is 551567053. The next prime is 551567111. The reversal of 551567061 is 160765155.

It is not a de Polignac number, because 551567061 - 2³ = 551567053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551567041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186525 + ... + 189458.

It is an arithmetic number, because the mean of its divisors is an integer number (66799824).

Almost surely, 2^551567061 is an apocalyptic number.

It is an amenable number.

551567061 is a deficient number, since it is larger than the sum of its proper divisors (250030827).

551567061 is a wasteful number, since it uses less digits than its factorization.

551567061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376152 (or 376149 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 551567061 is about 23485.4648878833. The cubic root of 551567061 is about 820.0986699629.

The spelling of 551567061 in words is "five hundred fifty-one million, five hundred sixty-seven thousand, sixty-one".