55411214218 has 4 divisors (see below), whose sum is σ = 83116821330. Its totient is φ = 27705607108.

The previous prime is 55411214197. The next prime is 55411214219. The reversal of 55411214218 is 81241211455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42769135249 + 12642078969 = 206807^2 + 112437^2 .

It is a super-2 number, since 2×55411214218² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55411214219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13852803553 + ... + 13852803556.

Almost surely, 2^55411214218 is an apocalyptic number.

55411214218 is a deficient number, since it is larger than the sum of its proper divisors (27705607112).

55411214218 is a wasteful number, since it uses less digits than its factorization.

55411214218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27705607111.

The product of its digits is 12800, while the sum is 34.

The spelling of 55411214218 in words is "fifty-five billion, four hundred eleven million, two hundred fourteen thousand, two hundred eighteen".