55088560 has 60 divisors (see below), whose sum is σ = 131897808. Its totient is φ = 21397248.

The previous prime is 55088557. The next prime is 55088639. The reversal of 55088560 is 6588055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 11 ways as a sum of consecutive naturals, for example, 109269 + ... + 109771.

Almost surely, 2^55088560 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 55088560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65948904).

55088560 is an abundant number, since it is smaller than the sum of its proper divisors (76809248).

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

55088560 is a wasteful number, since it uses less digits than its factorization.

55088560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 55088560 is about 7422.1667995269. The cubic root of 55088560 is about 380.4992514503.

The spelling of 55088560 in words is "fifty-five million, eighty-eight thousand, five hundred sixty".