551919061 has 8 divisors (see below), whose sum is σ = 566343360. Its totient is φ = 537567072.

The previous prime is 551919029. The next prime is 551919077. The reversal of 551919061 is 160919155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551919061 - 2⁵ = 551919029 is a prime.

It is a super-2 number, since 2×551919061² = 609229299790243442, which contains 22 as substring.

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 551919061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551919001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2440 + ... + 33313.

It is an arithmetic number, because the mean of its divisors is an integer number (70792920).

Almost surely, 2^551919061 is an apocalyptic number.

It is an amenable number.

551919061 is a deficient number, since it is larger than the sum of its proper divisors (14424299).

551919061 is a wasteful number, since it uses less digits than its factorization.

551919061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36155.

The product of its (nonzero) digits is 12150, while the sum is 37.

The square root of 551919061 is about 23492.9576894864. The cubic root of 551919061 is about 820.2730901830.

The spelling of 551919061 in words is "five hundred fifty-one million, nine hundred nineteen thousand, sixty-one".