55550383521722 has 4 divisors (see below), whose sum is σ = 83325575282586. Its totient is φ = 27775191760860.

The previous prime is 55550383521617. The next prime is 55550383521733. The reversal of 55550383521722 is 22712538305555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31851586725841 + 23698796795881 = 5643721^2 + 4868141^2 .

It is a super-2 number, since 2×55550383521722² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13887595880429 + ... + 13887595880432.

Almost surely, 2^{55550383521722} is an apocalyptic number.

55550383521722 is a deficient number, since it is larger than the sum of its proper divisors (27775191760864).

55550383521722 is a wasteful number, since it uses less digits than its factorization.

55550383521722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775191760863.

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 55550383521722 in words is "fifty-five trillion, five hundred fifty billion, three hundred eighty-three million, five hundred twenty-one thousand, seven hundred twenty-two".