54958831489 has 9 divisors (see below), whose sum is σ = 55807305057. Its totient is φ = 54123077844.

The previous prime is 54958831481. The next prime is 54958831513. The reversal of 54958831489 is 98413885945.

It is a happy number.

The square root of 54958831489 is 234433.

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

It is not a de Polignac number, because 54958831489 - 2³ = 54958831481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54958831489.

It is not an unprimeable number, because it can be changed into a prime (54958831481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15705262 + ... + 15708760.

It is an arithmetic number, because the mean of its divisors is an integer number (6200811673).

Almost surely, 2^54958831489 is an apocalyptic number.

54958831489 is the 234433-rd square number.

54958831489 is the 117217-th centered octagonal number.

It is an amenable number.

54958831489 is a deficient number, since it is larger than the sum of its proper divisors (848473568).

54958831489 is an frugal number, since it uses more digits than its factorization.

54958831489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132 (or 3566 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 64.

Multiplying 54958831489 by its sum of digits (64), we get a square (3517365215296 = 1875464²).

The spelling of 54958831489 in words is "fifty-four billion, nine hundred fifty-eight million, eight hundred thirty-one thousand, four hundred eighty-nine".