505050001055 has 8 divisors (see below), whose sum is σ = 610420146000. Its totient is φ = 401133237696.

The previous prime is 505050001051. The next prime is 505050001097. The reversal of 505050001055 is 550100050505.

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 505050001055 - 2² = 505050001051 is a prime.

It is a super-2 number, since 2×505050001055² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050001051) 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, 363344630 + ... + 363346019.

It is an arithmetic number, because the mean of its divisors is an integer number (76302518250).

Almost surely, 2^505050001055 is an apocalyptic number.

505050001055 is a deficient number, since it is larger than the sum of its proper divisors (105370144945).

505050001055 is a wasteful number, since it uses less digits than its factorization.

505050001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726690793.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 505050001055 in words is "five hundred five billion, fifty million, one thousand, fifty-five".