55302200244 has 18 divisors (see below), whose sum is σ = 139791672930. Its totient is φ = 18434066736.

The previous prime is 55302200231. The next prime is 55302200249. The reversal of 55302200244 is 44200220355.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51637108644 + 3665091600 = 227238^2 + 60540^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55302200249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768086079 + ... + 768086150.

Almost surely, 2^55302200244 is an apocalyptic number.

It is an amenable number.

55302200244 is an abundant number, since it is smaller than the sum of its proper divisors (84489472686).

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

55302200244 is a wasteful number, since it uses less digits than its factorization.

55302200244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536172239 (or 1536172234 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 55302200244 its reverse (44200220355), we get a palindrome (99502420599).

The spelling of 55302200244 in words is "fifty-five billion, three hundred two million, two hundred thousand, two hundred forty-four".