55043412240 has 40 divisors (see below), whose sum is σ = 170634578688. Its totient is φ = 14678243200.

The previous prime is 55043412239. The next prime is 55043412241. The reversal of 55043412240 is 4221434055.

It is an interprime number because it is at equal distance from previous prime (55043412239) and next prime (55043412241).

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55043412198 and 55043412207.

It is not an unprimeable number, because it can be changed into a prime (55043412241) 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, 114673536 + ... + 114674015.

Almost surely, 2^55043412240 is an apocalyptic number.

It is an amenable number.

55043412240 is an abundant number, since it is smaller than the sum of its proper divisors (115591166448).

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

55043412240 is a wasteful number, since it uses less digits than its factorization.

55043412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229347567 (or 229347561 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 55043412240 its reverse (4221434055), we get a palindrome (59264846295).

The spelling of 55043412240 in words is "fifty-five billion, forty-three million, four hundred twelve thousand, two hundred forty".