55615130 has 8 divisors (see below), whose sum is σ = 100107252. Its totient is φ = 22246048.

The previous prime is 55615129. The next prime is 55615141. The reversal of 55615130 is 3151655.

55615130 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 55606849 + 8281 = 7457^2 + 91^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 55615130.

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, 2780747 + ... + 2780766.

Almost surely, 2^55615130 is an apocalyptic number.

55615130 is a deficient number, since it is larger than the sum of its proper divisors (44492122).

55615130 is a wasteful number, since it uses less digits than its factorization.

55615130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561520.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55615130 is about 7457.5552294301. Note that the first 3 decimals coincide. The cubic root of 55615130 is about 381.7077568909.

Adding to 55615130 its reverse (3151655), we get a palindrome (58766785).

The spelling of 55615130 in words is "fifty-five million, six hundred fifteen thousand, one hundred thirty".