55440305145022 has 48 divisors (see below), whose sum is σ = 99860949885312. Its totient is φ = 22993052221440.

The previous prime is 55440305145019. The next prime is 55440305145031. The reversal of 55440305145022 is 22054150304455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121879318 + ... + 122333350.

It is an arithmetic number, because the mean of its divisors is an integer number (2080436455944).

Almost surely, 2^{55440305145022} is an apocalyptic number.

55440305145022 is a deficient number, since it is larger than the sum of its proper divisors (44420644740290).

55440305145022 is a wasteful number, since it uses less digits than its factorization.

55440305145022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494273 (or 494266 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 55440305145022 its reverse (22054150304455), we get a palindrome (77494455449477).

The spelling of 55440305145022 in words is "fifty-five trillion, four hundred forty billion, three hundred five million, one hundred forty-five thousand, twenty-two".