459550555091 has 4 divisors (see below), whose sum is σ = 479531014032. Its totient is φ = 439570096152.

The previous prime is 459550555069. The next prime is 459550555111. The reversal of 459550555091 is 190555055954.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459550555091 is a prime.

It is a super-2 number, since 2×459550555091² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459550555021) 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, 9990229436 + ... + 9990229481.

It is an arithmetic number, because the mean of its divisors is an integer number (119882753508).

Almost surely, 2^459550555091 is an apocalyptic number.

459550555091 is a deficient number, since it is larger than the sum of its proper divisors (19980458941).

459550555091 is a wasteful number, since it uses less digits than its factorization.

459550555091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980458940.

The product of its (nonzero) digits is 5062500, while the sum is 53.

The spelling of 459550555091 in words is "four hundred fifty-nine billion, five hundred fifty million, five hundred fifty-five thousand, ninety-one".