55553526212240 has 160 divisors (see below), whose sum is σ = 155981410836480. Its totient is φ = 17988178171392.

The previous prime is 55553526212221. The next prime is 55553526212267. The reversal of 55553526212240 is 4221262535555.

It is a happy number.

It is a super-2 number, since 2×55553526212240² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26280974 + ... + 28316013.

It is an arithmetic number, because the mean of its divisors is an integer number (974883817728).

Almost surely, 2^{55553526212240} is an apocalyptic number.

It is an amenable number.

55553526212240 is an abundant number, since it is smaller than the sum of its proper divisors (100427884624240).

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

55553526212240 is a wasteful number, since it uses less digits than its factorization.

55553526212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54597109 (or 54597103 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 55553526212240 its reverse (4221262535555), we get a palindrome (59774788747795).

The spelling of 55553526212240 in words is "fifty-five trillion, five hundred fifty-three billion, five hundred twenty-six million, two hundred twelve thousand, two hundred forty".