55466000240 has 40 divisors (see below), whose sum is σ = 147381087840. Its totient is φ = 19016914176.

The previous prime is 55466000209. The next prime is 55466000243. The reversal of 55466000240 is 4200066455.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 55466000197 and 55466000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55466000243) 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, 49522655 + ... + 49523774.

It is an arithmetic number, because the mean of its divisors is an integer number (3684527196).

Almost surely, 2^55466000240 is an apocalyptic number.

It is an amenable number.

55466000240 is an abundant number, since it is smaller than the sum of its proper divisors (91915087600).

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

55466000240 is a wasteful number, since it uses less digits than its factorization.

55466000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99046449 (or 99046443 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 55466000240 its reverse (4200066455), we get a palindrome (59666066695).

The spelling of 55466000240 in words is "fifty-five billion, four hundred sixty-six million, two hundred forty", and thus it is an aban number.