54832509 has 12 divisors (see below), whose sum is σ = 79266876. Its totient is φ = 36525312.

The previous prime is 54832507. The next prime is 54832513. The reversal of 54832509 is 90523845.

It can be written as a sum of positive squares in 2 ways, for example, as 25704900 + 29127609 = 5070^2 + 5397^2 .

It is not a de Polignac number, because 54832509 - 2¹ = 54832507 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 (54832501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19309 + ... + 21965.

It is an arithmetic number, because the mean of its divisors is an integer number (6605573).

Almost surely, 2^54832509 is an apocalyptic number.

It is an amenable number.

54832509 is a deficient number, since it is larger than the sum of its proper divisors (24434367).

54832509 is a wasteful number, since it uses less digits than its factorization.

54832509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 54832509 is about 7404.8976360244. The cubic root of 54832509 is about 379.9088169954.

The spelling of 54832509 in words is "fifty-four million, eight hundred thirty-two thousand, five hundred nine".