54808240 has 20 divisors (see below), whose sum is σ = 127429344. Its totient is φ = 21923264.

The previous prime is 54808223. The next prime is 54808253. The reversal of 54808240 is 4280845.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 342472 + ... + 342631.

Almost surely, 2^54808240 is an apocalyptic number.

It is an amenable number.

54808240 is an abundant number, since it is smaller than the sum of its proper divisors (72621104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54808240 is a wasteful number, since it uses less digits than its factorization.

54808240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685116 (or 685110 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 54808240 is about 7403.2587419325. The cubic root of 54808240 is about 379.8527592063.

The spelling of 54808240 in words is "fifty-four million, eight hundred eight thousand, two hundred forty".