55112246500 has 24 divisors (see below), whose sum is σ = 120365147448. Its totient is φ = 22044898400.

The previous prime is 55112246461. The next prime is 55112246509. The reversal of 55112246500 is 564221155.

It can be written as a sum of positive squares in 4 ways, for example, as 12790705216 + 42321541284 = 113096^2 + 205722^2 .

It is not an unprimeable number, because it can be changed into a prime (55112246509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55111747 + ... + 55112746.

It is an arithmetic number, because the mean of its divisors is an integer number (5015214477).

Almost surely, 2^55112246500 is an apocalyptic number.

55112246500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55112246500 is an abundant number, since it is smaller than the sum of its proper divisors (65252900948).

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

55112246500 is a wasteful number, since it uses less digits than its factorization.

55112246500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110224512 (or 110224500 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 55112246500 its reverse (564221155), we get a palindrome (55676467655).

The spelling of 55112246500 in words is "fifty-five billion, one hundred twelve million, two hundred forty-six thousand, five hundred".