54659880 has 256 divisors, whose sum is σ = 205286400. Its totient is φ = 12821760.

The previous prime is 54659861. The next prime is 54659897. The reversal of 54659880 is 8895645.

54659880 is a `hidden beast` number, since 54 + 6 + 598 + 8 + 0 = 666.

It is a super-2 number, since 2×54659880² = 5975404963228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 510787 + ... + 510893.

It is an arithmetic number, because the mean of its divisors is an integer number (801900).

Almost surely, 2^54659880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54659880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102643200).

54659880 is an abundant number, since it is smaller than the sum of its proper divisors (150626520).

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

54659880 is a wasteful number, since it uses less digits than its factorization.

54659880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 54659880 is about 7393.2320401838. The cubic root of 54659880 is about 379.5097093237.

The spelling of 54659880 in words is "fifty-four million, six hundred fifty-nine thousand, eight hundred eighty".