55446508090 has 16 divisors (see below), whose sum is σ = 101686804488. Its totient is φ = 21760138816.

The previous prime is 55446508087. The next prime is 55446508099. The reversal of 55446508090 is 9080564455.

It can be written as a sum of positive squares in 4 ways, for example, as 55110849049 + 335659041 = 234757^2 + 18321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55446508090.

It is not an unprimeable number, because it can be changed into a prime (55446508099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52307497 + ... + 52308556.

Almost surely, 2^55446508090 is an apocalyptic number.

55446508090 is a deficient number, since it is larger than the sum of its proper divisors (46240296398).

55446508090 is a wasteful number, since it uses less digits than its factorization.

55446508090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104616113.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 55446508090 in words is "fifty-five billion, four hundred forty-six million, five hundred eight thousand, ninety".