53559880 has 32 divisors (see below), whose sum is σ = 131466240. Its totient is φ = 19476160.

The previous prime is 53559829. The next prime is 53559923. The reversal of 53559880 is 8895535.

It is a happy number.

It is a super-2 number, since 2×53559880² = 5737321491228800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60424 + ... + 61303.

It is an arithmetic number, because the mean of its divisors is an integer number (4108320).

Almost surely, 2^53559880 is an apocalyptic number.

It is an amenable number.

53559880 is an abundant number, since it is smaller than the sum of its proper divisors (77906360).

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

53559880 is a wasteful number, since it uses less digits than its factorization.

53559880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121749 (or 121745 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 53559880 is about 7318.4615869730. The cubic root of 53559880 is about 376.9466301240.

The spelling of 53559880 in words is "fifty-three million, five hundred fifty-nine thousand, eight hundred eighty".