54444439830 has 64 divisors (see below), whose sum is σ = 142568294400. Its totient is φ = 13196536320.

The previous prime is 54444439823. The next prime is 54444439871. The reversal of 54444439830 is 3893444445.

It is a self number, because there is not a number n which added to its sum of digits gives 54444439830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3317886 + ... + 3334254.

It is an arithmetic number, because the mean of its divisors is an integer number (2227629600).

Almost surely, 2^54444439830 is an apocalyptic number.

54444439830 is an abundant number, since it is smaller than the sum of its proper divisors (88123854570).

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

54444439830 is a wasteful number, since it uses less digits than its factorization.

54444439830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26469.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 54444439830 in words is "fifty-four billion, four hundred forty-four million, four hundred thirty-nine thousand, eight hundred thirty".