55501130 has 8 divisors (see below), whose sum is σ = 99902052. Its totient is φ = 22200448.

The previous prime is 55501091. The next prime is 55501177. The reversal of 55501130 is 3110555.

It is a happy number.

55501130 is digitally balanced in base 2, 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 2 ways, for example, as 55338721 + 162409 = 7439^2 + 403^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775047 + ... + 2775066.

Almost surely, 2^55501130 is an apocalyptic number.

55501130 is a deficient number, since it is larger than the sum of its proper divisors (44400922).

55501130 is a wasteful number, since it uses less digits than its factorization.

55501130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550120.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55501130 is about 7449.9080531239. The cubic root of 55501130 is about 381.4467700554.

Adding to 55501130 its reverse (3110555), we get a palindrome (58611685).

The spelling of 55501130 in words is "fifty-five million, five hundred one thousand, one hundred thirty".