55500050571 has 32 divisors (see below), whose sum is σ = 88710709248. Its totient is φ = 30176556960.

The previous prime is 55500050561. The next prime is 55500050581. The reversal of 55500050571 is 17505000555.

It is an interprime number because it is at equal distance from previous prime (55500050561) and next prime (55500050581).

It is not a de Polignac number, because 55500050571 - 2⁷ = 55500050443 is a prime.

It is a super-2 number, since 2×55500050571² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55500050531) 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 31 ways as a sum of consecutive naturals, for example, 208551 + ... + 393056.

It is an arithmetic number, because the mean of its divisors is an integer number (2772209664).

Almost surely, 2^55500050571 is an apocalyptic number.

55500050571 is a deficient number, since it is larger than the sum of its proper divisors (33210658677).

55500050571 is a wasteful number, since it uses less digits than its factorization.

55500050571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601831.

The product of its (nonzero) digits is 21875, while the sum is 33.

The spelling of 55500050571 in words is "fifty-five billion, five hundred million, fifty thousand, five hundred seventy-one".