54494899880 has 16 divisors (see below), whose sum is σ = 122613524820. Its totient is φ = 21797959936.

The previous prime is 54494899841. The next prime is 54494899883. The reversal of 54494899880 is 8899849445.

It can be written as a sum of positive squares in 2 ways, for example, as 54101829604 + 393070276 = 232598^2 + 19826^2 .

It is a super-2 number, since 2×54494899880² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54494899880.

It is not an unprimeable number, because it can be changed into a prime (54494899883) 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, 681186209 + ... + 681186288.

Almost surely, 2^54494899880 is an apocalyptic number.

It is an amenable number.

54494899880 is an abundant number, since it is smaller than the sum of its proper divisors (68118624940).

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

54494899880 is a wasteful number, since it uses less digits than its factorization.

54494899880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362372508 (or 1362372504 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 68.

The spelling of 54494899880 in words is "fifty-four billion, four hundred ninety-four million, eight hundred ninety-nine thousand, eight hundred eighty".