55221774062 has 32 divisors (see below), whose sum is σ = 101985203712. Its totient is φ = 21837981024.

The previous prime is 55221774053. The next prime is 55221774079. The reversal of 55221774062 is 26047712255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456023 + ... + 564269.

It is an arithmetic number, because the mean of its divisors is an integer number (3187037616).

Almost surely, 2^55221774062 is an apocalyptic number.

55221774062 is a deficient number, since it is larger than the sum of its proper divisors (46763429650).

55221774062 is a wasteful number, since it uses less digits than its factorization.

55221774062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111072.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 55221774062 in words is "fifty-five billion, two hundred twenty-one million, seven hundred seventy-four thousand, sixty-two".