55012010422 has 4 divisors (see below), whose sum is σ = 82518015636. Its totient is φ = 27506005210.

The previous prime is 55012010407. The next prime is 55012010423. The reversal of 55012010422 is 22401021055.

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

It is a junction number, because it is equal to n+sod(n) for n = 55012010393 and 55012010402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55012010423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13753002604 + ... + 13753002607.

It is an arithmetic number, because the mean of its divisors is an integer number (20629503909).

Almost surely, 2^55012010422 is an apocalyptic number.

55012010422 is a deficient number, since it is larger than the sum of its proper divisors (27506005214).

55012010422 is a wasteful number, since it uses less digits than its factorization.

55012010422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27506005213.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 55012010422 its reverse (22401021055), we get a palindrome (77413031477).

The spelling of 55012010422 in words is "fifty-five billion, twelve million, ten thousand, four hundred twenty-two".