55535021022 has 32 divisors (see below), whose sum is σ = 119797177248. Its totient is φ = 17061515136.

The previous prime is 55535021011. The next prime is 55535021027. The reversal of 55535021022 is 22012053555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535021027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494233 + ... + 596100.

It is an arithmetic number, because the mean of its divisors is an integer number (3743661789).

Almost surely, 2^55535021022 is an apocalyptic number.

55535021022 is an abundant number, since it is smaller than the sum of its proper divisors (64262156226).

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

55535021022 is a wasteful number, since it uses less digits than its factorization.

55535021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091004.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 55535021022 its reverse (22012053555), we get a palindrome (77547074577).

The spelling of 55535021022 in words is "fifty-five billion, five hundred thirty-five million, twenty-one thousand, twenty-two".