55515130244 has 24 divisors (see below), whose sum is σ = 114858891840. Its totient is φ = 22971777696.

The previous prime is 55515130171. The next prime is 55515130261. The reversal of 55515130244 is 44203151555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34183382 + ... + 34185005.

It is an arithmetic number, because the mean of its divisors is an integer number (4785787160).

Almost surely, 2^55515130244 is an apocalyptic number.

It is an amenable number.

55515130244 is an abundant number, since it is smaller than the sum of its proper divisors (59343761596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55515130244 is a wasteful number, since it uses less digits than its factorization.

55515130244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68368427 (or 68368425 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 55515130244 its reverse (44203151555), we get a palindrome (99718281799).

The spelling of 55515130244 in words is "fifty-five billion, five hundred fifteen million, one hundred thirty thousand, two hundred forty-four".