55005130 has 8 divisors (see below), whose sum is σ = 99009252. Its totient is φ = 22002048.

The previous prime is 55005109. The next prime is 55005131. The reversal of 55005130 is 3150055.

It can be written as a sum of positive squares in 2 ways, for example, as 53684929 + 1320201 = 7327^2 + 1149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55005098 and 55005107.

It is not an unprimeable number, because it can be changed into a prime (55005131) 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, 2750247 + ... + 2750266.

Almost surely, 2^55005130 is an apocalyptic number.

55005130 is a deficient number, since it is larger than the sum of its proper divisors (44004122).

55005130 is a wasteful number, since it uses less digits than its factorization.

55005130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500520.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 55005130 is about 7416.5443435606. The cubic root of 55005130 is about 380.3070694335.

Adding to 55005130 its reverse (3150055), we get a palindrome (58155185).

The spelling of 55005130 in words is "fifty-five million, five thousand, one hundred thirty".