55688260 has 24 divisors (see below), whose sum is σ = 123825240. Its totient is φ = 20964864.

The previous prime is 55688233. The next prime is 55688261. The reversal of 55688260 is 6288655.

55688260 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3617604 + 52070656 = 1902^2 + 7216^2 .

55688260 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (55688261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81555 + ... + 82234.

It is an arithmetic number, because the mean of its divisors is an integer number (5159385).

Almost surely, 2^55688260 is an apocalyptic number.

It is an amenable number.

55688260 is an abundant number, since it is smaller than the sum of its proper divisors (68136980).

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

55688260 is a wasteful number, since it uses less digits than its factorization.

55688260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163815 (or 163813 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 55688260 is about 7462.4567000419. The cubic root of 55688260 is about 381.8749899327.

The spelling of 55688260 in words is "fifty-five million, six hundred eighty-eight thousand, two hundred sixty".