55001032011 has 24 divisors (see below), whose sum is σ = 79804242960. Its totient is φ = 36502292736.

The previous prime is 55001031997. The next prime is 55001032027. The reversal of 55001032011 is 11023010055.

55001032011 is a `hidden beast` number, since 550 + 0 + 103 + 2 + 0 + 11 = 666.

It is not a de Polignac number, because 55001032011 - 2¹⁵ = 55000999243 is a prime.

It is a super-2 number, since 2×55001032011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55001031011) 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 23 ways as a sum of consecutive naturals, for example, 2204575 + ... + 2229383.

It is an arithmetic number, because the mean of its divisors is an integer number (3325176790).

Almost surely, 2^55001032011 is an apocalyptic number.

55001032011 is a deficient number, since it is larger than the sum of its proper divisors (24803210949).

55001032011 is a wasteful number, since it uses less digits than its factorization.

55001032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25915 (or 25912 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 55001032011 its reverse (11023010055), we get a palindrome (66024042066).

The spelling of 55001032011 in words is "fifty-five billion, one million, thirty-two thousand, eleven".