55011101 has 8 divisors (see below), whose sum is σ = 57932160. Its totient is φ = 52134192.

The previous prime is 55011091. The next prime is 55011109. The reversal of 55011101 is 10111055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55011101 - 2⁶ = 55011037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011109) 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, 8465 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (7241520).

Almost surely, 2^55011101 is an apocalyptic number.

It is an amenable number.

55011101 is a deficient number, since it is larger than the sum of its proper divisors (2921059).

55011101 is a wasteful number, since it uses less digits than its factorization.

55011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22075.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 55011101 is about 7416.9468786017. The cubic root of 55011101 is about 380.3208301581.

Adding to 55011101 its reverse (10111055), we get a palindrome (65122156).

It can be divided in two parts, 55011 and 101, that multiplied together give a triangular number (5556111 = T₃₃₃₃).

The spelling of 55011101 in words is "fifty-five million, eleven thousand, one hundred one".