54430289809 has 9 divisors (see below), whose sum is σ = 63318767547. Its totient is φ = 46653134304.

The previous prime is 54430289807. The next prime is 54430289887. The reversal of 54430289809 is 90898203445.

The square root of 54430289809 is 233303.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 38199529809 + 16230760000 = 195447^2 + 127400^2 .

It is not a de Polignac number, because 54430289809 - 2¹ = 54430289807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54430289807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1616457 + ... + 1649785.

Almost surely, 2^54430289809 is an apocalyptic number.

54430289809 is the 233303-rd square number.

54430289809 is the 116652-nd centered octagonal number.

It is an amenable number.

54430289809 is a deficient number, since it is larger than the sum of its proper divisors (8888477738).

54430289809 is an frugal number, since it uses more digits than its factorization.

54430289809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66672 (or 33336 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 54430289809 in words is "fifty-four billion, four hundred thirty million, two hundred eighty-nine thousand, eight hundred nine".