55958100000 has 576 divisors, whose sum is σ = 207130742784. Its totient is φ = 13104000000.

The previous prime is 55958099959. The next prime is 55958100043. The reversal of 55958100000 is 185955.

It is a super-2 number, since 2×55958100000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102299727 + ... + 102300273.

It is an arithmetic number, because the mean of its divisors is an integer number (359601984).

Almost surely, 2^55958100000 is an apocalyptic number.

55958100000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55958100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103565371392).

55958100000 is an abundant number, since it is smaller than the sum of its proper divisors (151172642784).

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

55958100000 is a wasteful number, since it uses less digits than its factorization.

55958100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 55958100000 its reverse (185955), we get a palindrome (55958285955).

The spelling of 55958100000 in words is "fifty-five billion, nine hundred fifty-eight million, one hundred thousand".