55382260 has 24 divisors (see below), whose sum is σ = 123144840. Its totient is φ = 20849664.

The previous prime is 55382231. The next prime is 55382263. The reversal of 55382260 is 6228355.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7107556 + 48274704 = 2666^2 + 6948^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55382263) 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, 81105 + ... + 81784.

It is an arithmetic number, because the mean of its divisors is an integer number (5131035).

Almost surely, 2^55382260 is an apocalyptic number.

It is an amenable number.

55382260 is an abundant number, since it is smaller than the sum of its proper divisors (67762580).

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

55382260 is a wasteful number, since it uses less digits than its factorization.

55382260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162915 (or 162913 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 55382260 is about 7441.9258260211. The cubic root of 55382260 is about 381.1742531591.

The spelling of 55382260 in words is "fifty-five million, three hundred eighty-two thousand, two hundred sixty".