55155101700 has 72 divisors (see below), whose sum is σ = 166520467008. Its totient is φ = 14068545920.

The previous prime is 55155101657. The next prime is 55155101707. The reversal of 55155101700 is 710155155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (55155101707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3989847 + ... + 4003646.

It is an arithmetic number, because the mean of its divisors is an integer number (2312784264).

Almost surely, 2^55155101700 is an apocalyptic number.

55155101700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55155101700 is an abundant number, since it is smaller than the sum of its proper divisors (111365365308).

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

55155101700 is a wasteful number, since it uses less digits than its factorization.

55155101700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993533 (or 7993526 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 30.

Adding to 55155101700 its reverse (710155155), we get a palindrome (55865256855).

The spelling of 55155101700 in words is "fifty-five billion, one hundred fifty-five million, one hundred one thousand, seven hundred".