55215441266 has 16 divisors (see below), whose sum is σ = 83444217120. Its totient is φ = 27400782240.

The previous prime is 55215441263. The next prime is 55215441293. The reversal of 55215441266 is 66214451255.

55215441266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55215441263) 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, 1610321 + ... + 1644251.

It is an arithmetic number, because the mean of its divisors is an integer number (5215263570).

Almost surely, 2^55215441266 is an apocalyptic number.

55215441266 is a deficient number, since it is larger than the sum of its proper divisors (28228775854).

55215441266 is a wasteful number, since it uses less digits than its factorization.

55215441266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40009.

The product of its digits is 288000, while the sum is 41.

The spelling of 55215441266 in words is "fifty-five billion, two hundred fifteen million, four hundred forty-one thousand, two hundred sixty-six".