55022440445320 has 64 divisors (see below), whose sum is σ = 128007402624000. Its totient is φ = 21263451306240.

The previous prime is 55022440445261. The next prime is 55022440445341. The reversal of 55022440445320 is 2354404422055.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36296419 + ... + 37781938.

It is an arithmetic number, because the mean of its divisors is an integer number (2000115666000).

Almost surely, 2^{55022440445320} is an apocalyptic number.

It is an amenable number.

55022440445320 is an abundant number, since it is smaller than the sum of its proper divisors (72984962178680).

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

55022440445320 is a wasteful number, since it uses less digits than its factorization.

55022440445320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74078998 (or 74078994 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 55022440445320 its reverse (2354404422055), we get a palindrome (57376844867375).

The spelling of 55022440445320 in words is "fifty-five trillion, twenty-two billion, four hundred forty million, four hundred forty-five thousand, three hundred twenty".