55558510500 has 96 divisors (see below), whose sum is σ = 164201401728. Its totient is φ = 14594448000.

The previous prime is 55558510459. The next prime is 55558510517. The reversal of 55558510500 is 501585555.

It is a super-2 number, since 2×55558510500² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175911 + ... + 376910.

It is an arithmetic number, because the mean of its divisors is an integer number (1710431268).

Almost surely, 2^55558510500 is an apocalyptic number.

55558510500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55558510500 is an abundant number, since it is smaller than the sum of its proper divisors (108642891228).

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

55558510500 is a wasteful number, since it uses less digits than its factorization.

55558510500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552910 (or 552898 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 55558510500 in words is "fifty-five billion, five hundred fifty-eight million, five hundred ten thousand, five hundred".