55531943322 has 16 divisors (see below), whose sum is σ = 113772762432. Its totient is φ = 18059168480.

The previous prime is 55531943267. The next prime is 55531943353. The reversal of 55531943322 is 22334913555.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112869558 + ... + 112870049.

It is an arithmetic number, because the mean of its divisors is an integer number (7110797652).

Almost surely, 2^55531943322 is an apocalyptic number.

55531943322 is an abundant number, since it is smaller than the sum of its proper divisors (58240819110).

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

55531943322 is a wasteful number, since it uses less digits than its factorization.

55531943322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225739653.

The product of its digits is 486000, while the sum is 42.

The spelling of 55531943322 in words is "fifty-five billion, five hundred thirty-one million, nine hundred forty-three thousand, three hundred twenty-two".