55222424000 has 56 divisors (see below), whose sum is σ = 136758352848. Its totient is φ = 22088966400.

The previous prime is 55222423969. The next prime is 55222424003. The reversal of 55222424000 is 42422255.

It is a super-2 number, since 2×55222424000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222424003) 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, 3443402 + ... + 3459401.

Almost surely, 2^55222424000 is an apocalyptic number.

55222424000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55222424000 is an abundant number, since it is smaller than the sum of its proper divisors (81535928848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55222424000 is an equidigital number, since it uses as much as digits as its factorization.

55222424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902830 (or 6902810 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 55222424000 its reverse (42422255), we get a palindrome (55264846255).

The spelling of 55222424000 in words is "fifty-five billion, two hundred twenty-two million, four hundred twenty-four thousand".