55213000022 has 8 divisors (see below), whose sum is σ = 83593514376. Its totient is φ = 27348495232.

The previous prime is 55213000021. The next prime is 55213000033. The reversal of 55213000022 is 22000031255.

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

It is a junction number, because it is equal to n+sod(n) for n = 55212999958 and 55213000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55213000021) 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, 129002123 + ... + 129002550.

It is an arithmetic number, because the mean of its divisors is an integer number (10449189297).

Almost surely, 2^55213000022 is an apocalyptic number.

55213000022 is a deficient number, since it is larger than the sum of its proper divisors (28380514354).

55213000022 is a wasteful number, since it uses less digits than its factorization.

55213000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258004782.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 55213000022 its reverse (22000031255), we get a palindrome (77213031277).

The spelling of 55213000022 in words is "fifty-five billion, two hundred thirteen million, twenty-two", and thus it is an aban number.