551050100501 has 4 divisors (see below), whose sum is σ = 551074541472. Its totient is φ = 551025659532.

The previous prime is 551050100453. The next prime is 551050100519. The reversal of 551050100501 is 105001050155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105001050155 = 5 ⋅21000210031.

It is a cyclic number.

It is not a de Polignac number, because 551050100501 - 2¹⁰ = 551050099477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551050103501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12186635 + ... + 12231768.

It is an arithmetic number, because the mean of its divisors is an integer number (137768635368).

Almost surely, 2^551050100501 is an apocalyptic number.

It is an amenable number.

551050100501 is a deficient number, since it is larger than the sum of its proper divisors (24440971).

551050100501 is a wasteful number, since it uses less digits than its factorization.

551050100501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440970.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 551050100501 its reverse (105001050155), we get a palindrome (656051150656).

The spelling of 551050100501 in words is "five hundred fifty-one billion, fifty million, one hundred thousand, five hundred one".