55475843375 has 16 divisors (see below), whose sum is σ = 69242103840. Its totient is φ = 44375385600.

The previous prime is 55475843359. The next prime is 55475843377. The reversal of 55475843375 is 57334857455.

It is not a de Polignac number, because 55475843375 - 2⁴ = 55475843359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55475843375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55475843377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286159 + ... + 1328591.

It is an arithmetic number, because the mean of its divisors is an integer number (4327631490).

Almost surely, 2^55475843375 is an apocalyptic number.

55475843375 is a deficient number, since it is larger than the sum of its proper divisors (13766260465).

55475843375 is a wasteful number, since it uses less digits than its factorization.

55475843375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52907 (or 52897 counting only the distinct ones).

The product of its digits is 35280000, while the sum is 56.

The spelling of 55475843375 in words is "fifty-five billion, four hundred seventy-five million, eight hundred forty-three thousand, three hundred seventy-five".