54533709 has 8 divisors (see below), whose sum is σ = 80790720. Its totient is φ = 36355788.

The previous prime is 54533707. The next prime is 54533711. The reversal of 54533709 is 90733545.

54533709 is a `hidden beast` number, since 54 + 533 + 70 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (54533707) and next prime (54533711).

It is not a de Polignac number, because 54533709 - 2¹ = 54533707 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54533707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009857 + ... + 1009910.

It is an arithmetic number, because the mean of its divisors is an integer number (10098840).

Almost surely, 2^54533709 is an apocalyptic number.

It is an amenable number.

54533709 is a deficient number, since it is larger than the sum of its proper divisors (26257011).

54533709 is a wasteful number, since it uses less digits than its factorization.

54533709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019776 (or 2019770 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 54533709 is about 7384.6942387617. The cubic root of 54533709 is about 379.2174778637.

The spelling of 54533709 in words is "fifty-four million, five hundred thirty-three thousand, seven hundred nine".