550100051 has 4 divisors (see below), whose sum is σ = 550452672. Its totient is φ = 549747432.

The previous prime is 550100029. The next prime is 550100063. The reversal of 550100051 is 150001055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550100051 - 2¹⁸ = 549837907 is a prime.

It is a super-2 number, since 2×550100051² = 605220132220405202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550100081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173960 + ... + 177093.

It is an arithmetic number, because the mean of its divisors is an integer number (137613168).

Almost surely, 2^550100051 is an apocalyptic number.

550100051 is a deficient number, since it is larger than the sum of its proper divisors (352621).

550100051 is a wasteful number, since it uses less digits than its factorization.

550100051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352620.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 550100051 is about 23454.2117966049. The cubic root of 550100051 is about 819.3709487475.

The spelling of 550100051 in words is "five hundred fifty million, one hundred thousand, fifty-one".