55312732750 has 32 divisors (see below), whose sum is σ = 112958662752. Its totient is φ = 20113720000.

The previous prime is 55312732747. The next prime is 55312732757. The reversal of 55312732750 is 5723721355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55312732757) 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 15 ways as a sum of consecutive naturals, for example, 10054111 + ... + 10059610.

It is an arithmetic number, because the mean of its divisors is an integer number (3529958211).

Almost surely, 2^55312732750 is an apocalyptic number.

55312732750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55312732750 is an abundant number, since it is smaller than the sum of its proper divisors (57645930002).

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

55312732750 is a wasteful number, since it uses less digits than its factorization.

55312732750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20113749 (or 20113739 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 55312732750 in words is "fifty-five billion, three hundred twelve million, seven hundred thirty-two thousand, seven hundred fifty".