55200260 has 12 divisors (see below), whose sum is σ = 115920588. Its totient is φ = 22080096.

The previous prime is 55200239. The next prime is 55200269. The reversal of 55200260 is 6200255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 42823936 = 3518^2 + 6544^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2760013 = 55200260 / (5 + 5 + 2 + 0 + 0 + 2 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (55200269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379987 + ... + 1380026.

It is an arithmetic number, because the mean of its divisors is an integer number (9660049).

Almost surely, 2^55200260 is an apocalyptic number.

It is an amenable number.

55200260 is an abundant number, since it is smaller than the sum of its proper divisors (60720328).

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

55200260 is a wasteful number, since it uses less digits than its factorization.

55200260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760022 (or 2760020 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55200260 is about 7429.6877457939. The cubic root of 55200260 is about 380.7562501965.

The spelling of 55200260 in words is "fifty-five million, two hundred thousand, two hundred sixty".