54440730 has 48 divisors (see below), whose sum is σ = 142331904. Its totient is φ = 14436960.

The previous prime is 54440723. The next prime is 54440761. The reversal of 54440730 is 3704445.

It is a junction number, because it is equal to n+sod(n) for n = 54440694 and 54440703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15607 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^54440730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54440730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71165952).

54440730 is an abundant number, since it is smaller than the sum of its proper divisors (87891174).

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

54440730 is a wasteful number, since it uses less digits than its factorization.

54440730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 54440730 is about 7378.3961671897. The cubic root of 54440730 is about 379.0018355859.

The spelling of 54440730 in words is "fifty-four million, four hundred forty thousand, seven hundred thirty".