54989365 has 16 divisors (see below), whose sum is σ = 69392880. Its totient is φ = 41771520.

The previous prime is 54989353. The next prime is 54989369. The reversal of 54989365 is 56398945.

It can be written as a sum of positive squares in 8 ways, for example, as 3048516 + 51940849 = 1746^2 + 7207^2 .

It is not a de Polignac number, because 54989365 - 2⁹ = 54988853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54989369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5737 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (4337055).

Almost surely, 2^54989365 is an apocalyptic number.

It is an amenable number.

54989365 is a deficient number, since it is larger than the sum of its proper divisors (14403515).

54989365 is a wasteful number, since it uses less digits than its factorization.

54989365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312.

The product of its digits is 1166400, while the sum is 49.

The square root of 54989365 is about 7415.4814408776. The cubic root of 54989365 is about 380.2707327389.

The spelling of 54989365 in words is "fifty-four million, nine hundred eighty-nine thousand, three hundred sixty-five".