55015125320 has 32 divisors (see below), whose sum is σ = 125527475520. Its totient is φ = 21696104640.

The previous prime is 55015125251. The next prime is 55015125337. The reversal of 55015125320 is 2352151055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9682922 + ... + 9688601.

It is an arithmetic number, because the mean of its divisors is an integer number (3922733610).

Almost surely, 2^55015125320 is an apocalyptic number.

It is an amenable number.

55015125320 is an abundant number, since it is smaller than the sum of its proper divisors (70512350200).

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

55015125320 is a wasteful number, since it uses less digits than its factorization.

55015125320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19371605 (or 19371601 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 55015125320 its reverse (2352151055), we get a palindrome (57367276375).

The spelling of 55015125320 in words is "fifty-five billion, fifteen million, one hundred twenty-five thousand, three hundred twenty".