54389070 has 80 divisors (see below), whose sum is σ = 148191120. Its totient is φ = 14311296.

The previous prime is 54389017. The next prime is 54389087. The reversal of 54389070 is 7098345.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66826 + ... + 67634.

It is an arithmetic number, because the mean of its divisors is an integer number (1852389).

Almost surely, 2^54389070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54389070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74095560).

54389070 is an abundant number, since it is smaller than the sum of its proper divisors (93802050).

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

54389070 is a wasteful number, since it uses less digits than its factorization.

54389070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 54389070 is about 7374.8945755177. The cubic root of 54389070 is about 378.8819166015.

The spelling of 54389070 in words is "fifty-four million, three hundred eighty-nine thousand, seventy".