55125130 has 16 divisors (see below), whose sum is σ = 102426624. Its totient is φ = 21338640.

The previous prime is 55125113. The next prime is 55125139. The reversal of 55125130 is 3152155.

It is not an unprimeable number, because it can be changed into a prime (55125139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88602 + ... + 89221.

It is an arithmetic number, because the mean of its divisors is an integer number (6401664).

Almost surely, 2^55125130 is an apocalyptic number.

55125130 is a deficient number, since it is larger than the sum of its proper divisors (47301494).

55125130 is a wasteful number, since it uses less digits than its factorization.

55125130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177861.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55125130 is about 7424.6299571090. The cubic root of 55125130 is about 380.5834297242.

Adding to 55125130 its reverse (3152155), we get a palindrome (58277285).

It can be divided in two parts, 55125 and 130, that added together give a palindrome (55255).

The spelling of 55125130 in words is "fifty-five million, one hundred twenty-five thousand, one hundred thirty".