54880509 has 32 divisors (see below), whose sum is σ = 79672320. Its totient is φ = 33523200.

The previous prime is 54880489. The next prime is 54880549. The reversal of 54880509 is 90508845.

It is not a de Polignac number, because 54880509 - 2⁵ = 54880477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54880549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140887 + ... + 141275.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^54880509 is an apocalyptic number.

It is an amenable number.

54880509 is a deficient number, since it is larger than the sum of its proper divisors (24791811).

54880509 is a wasteful number, since it uses less digits than its factorization.

54880509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 54880509 is about 7408.1380251720. The cubic root of 54880509 is about 380.0196411824.

The spelling of 54880509 in words is "fifty-four million, eight hundred eighty thousand, five hundred nine".