54844392490 has 36 divisors (see below), whose sum is σ = 99826497954. Its totient is φ = 21694553808.

The previous prime is 54844392467. The next prime is 54844392509. The reversal of 54844392490 is 9429344845.

It can be written as a sum of positive squares in only one way, i.e., 49359953241 + 5484439249 = 222171^2 + 74057^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 76278351 + ... + 76279069.

Almost surely, 2^54844392490 is an apocalyptic number.

54844392490 is a deficient number, since it is larger than the sum of its proper divisors (44982105464).

54844392490 is an frugal number, since it uses more digits than its factorization.

54844392490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 54844392490 in words is "fifty-four billion, eight hundred forty-four million, three hundred ninety-two thousand, four hundred ninety".