55055050001 has 24 divisors (see below), whose sum is σ = 67941592776. Its totient is φ = 44328560640.

The previous prime is 55055049947. The next prime is 55055050003. The reversal of 55055050001 is 10005055055.

It can be written as a sum of positive squares in 4 ways, for example, as 27895680400 + 27159369601 = 167020^2 + 164801^2 .

It is not a de Polignac number, because 55055050001 - 2⁶ = 55055049937 is a prime.

It is a super-2 number, since 2×55055050001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55055050003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370565 + ... + 497421.

It is an arithmetic number, because the mean of its divisors is an integer number (2830899699).

Almost surely, 2^55055050001 is an apocalyptic number.

It is an amenable number.

55055050001 is a deficient number, since it is larger than the sum of its proper divisors (12886542775).

55055050001 is a wasteful number, since it uses less digits than its factorization.

55055050001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127409 (or 127402 counting only the distinct ones).

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

The spelling of 55055050001 in words is "fifty-five billion, fifty-five million, fifty thousand, one".