55422203011 has 4 divisors (see below), whose sum is σ = 63339660592. Its totient is φ = 47504745432.

The previous prime is 55422202999. The next prime is 55422203027. The reversal of 55422203011 is 11030222455.

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

It is a cyclic number.

It is not a de Polignac number, because 55422203011 - 2³¹ = 53274719363 is a prime.

It is a super-2 number, since 2×55422203011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55422201011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3958728780 + ... + 3958728793.

It is an arithmetic number, because the mean of its divisors is an integer number (15834915148).

Almost surely, 2^55422203011 is an apocalyptic number.

55422203011 is a deficient number, since it is larger than the sum of its proper divisors (7917457581).

55422203011 is an equidigital number, since it uses as much as digits as its factorization.

55422203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917457580.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 55422203011 its reverse (11030222455), we get a palindrome (66452425466).

The spelling of 55422203011 in words is "fifty-five billion, four hundred twenty-two million, two hundred three thousand, eleven".