55231154552022 has 32 divisors (see below), whose sum is σ = 110483474563584. Its totient is φ = 18406857585600.

The previous prime is 55231154551999. The next prime is 55231154552033. The reversal of 55231154552022 is 22025545113255.

It is a congruent number.

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, 1551811447 + ... + 1551847037.

It is an arithmetic number, because the mean of its divisors is an integer number (3452608580112).

Almost surely, 2^{55231154552022} is an apocalyptic number.

55231154552022 is an abundant number, since it is smaller than the sum of its proper divisors (55252320011562).

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

55231154552022 is a wasteful number, since it uses less digits than its factorization.

55231154552022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77884.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 55231154552022 its reverse (22025545113255), we get a palindrome (77256699665277).

The spelling of 55231154552022 in words is "fifty-five trillion, two hundred thirty-one billion, one hundred fifty-four million, five hundred fifty-two thousand, twenty-two".