55398316244 has 12 divisors (see below), whose sum is σ = 97449371124. Its totient is φ = 27555638784.

The previous prime is 55398316241. The next prime is 55398316261. The reversal of 55398316244 is 44261389355.

It can be written as a sum of positive squares in 2 ways, for example, as 6562620100 + 48835696144 = 81010^2 + 220988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55398316192 and 55398316201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55398316241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35878967 + ... + 35880510.

It is an arithmetic number, because the mean of its divisors is an integer number (8120780927).

Almost surely, 2^55398316244 is an apocalyptic number.

It is an amenable number.

55398316244 is a deficient number, since it is larger than the sum of its proper divisors (42051054880).

55398316244 is a wasteful number, since it uses less digits than its factorization.

55398316244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71759674 (or 71759672 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 55398316244 in words is "fifty-five billion, three hundred ninety-eight million, three hundred sixteen thousand, two hundred forty-four".