55747442244 has 48 divisors (see below), whose sum is σ = 140561531712. Its totient is φ = 17094502272.

The previous prime is 55747442227. The next prime is 55747442279. The reversal of 55747442244 is 44224474755.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55747442193 and 55747442202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564114 + ... + 655529.

It is an arithmetic number, because the mean of its divisors is an integer number (2928365244).

Almost surely, 2^55747442244 is an apocalyptic number.

It is an amenable number.

55747442244 is an abundant number, since it is smaller than the sum of its proper divisors (84814089468).

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

55747442244 is a wasteful number, since it uses less digits than its factorization.

55747442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219956 (or 1219954 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 48.

The spelling of 55747442244 in words is "fifty-five billion, seven hundred forty-seven million, four hundred forty-two thousand, two hundred forty-four".