55001010001000 has 128 divisors (see below), whose sum is σ = 147095081602560. Its totient is φ = 18856634496000.

The previous prime is 55001010000997. The next prime is 55001010001013. The reversal of 55001010001000 is 10001010055.

It is a super-2 number, since 2×55001010001000² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165264765 + ... + 165597235.

It is an arithmetic number, because the mean of its divisors is an integer number (1149180325020).

Almost surely, 2^{55001010001000} is an apocalyptic number.

55001010001000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55001010001000 is an abundant number, since it is smaller than the sum of its proper divisors (92094071601560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55001010001000 is a wasteful number, since it uses less digits than its factorization.

55001010001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356132 (or 356118 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 55001010001000 its reverse (10001010055), we get a palindrome (55011011011055).

The spelling of 55001010001000 in words is "fifty-five trillion, one billion, ten million, one thousand".