551306541 has 8 divisors (see below), whose sum is σ = 753004224. Its totient is φ = 358573280.

The previous prime is 551306537. The next prime is 551306543. The reversal of 551306541 is 145603155.

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 551306541 - 2² = 551306537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551306499 and 551306508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551306543) 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 7 ways as a sum of consecutive naturals, for example, 2240961 + ... + 2241206.

It is an arithmetic number, because the mean of its divisors is an integer number (94125528).

Almost surely, 2^551306541 is an apocalyptic number.

It is an amenable number.

551306541 is a deficient number, since it is larger than the sum of its proper divisors (201697683).

551306541 is a wasteful number, since it uses less digits than its factorization.

551306541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482211.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 551306541 is about 23479.9178235359. The cubic root of 551306541 is about 819.9695313882.

Adding to 551306541 its reverse (145603155), we get a palindrome (696909696).

The spelling of 551306541 in words is "five hundred fifty-one million, three hundred six thousand, five hundred forty-one".