55816130 has 8 divisors (see below), whose sum is σ = 100469052. Its totient is φ = 22326448.

The previous prime is 55816099. The next prime is 55816133. The reversal of 55816130 is 3161855.

It can be written as a sum of positive squares in 2 ways, for example, as 55815841 + 289 = 7471^2 + 17^2 .

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 = 55816093 and 55816102.

It is not an unprimeable number, because it can be changed into a prime (55816133) 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, 2790797 + ... + 2790816.

Almost surely, 2^55816130 is an apocalyptic number.

55816130 is a deficient number, since it is larger than the sum of its proper divisors (44652922).

55816130 is a wasteful number, since it uses less digits than its factorization.

55816130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581620.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 55816130 is about 7471.0193414286. The cubic root of 55816130 is about 382.1670504629.

Adding to 55816130 its reverse (3161855), we get a palindrome (58977985).

It can be divided in two parts, 5581 and 6130, that added together give a palindrome (11711).

The spelling of 55816130 in words is "fifty-five million, eight hundred sixteen thousand, one hundred thirty".