55475340345 has 40 divisors (see below), whose sum is σ = 104678629440. Its totient is φ = 28029641760.

The previous prime is 55475340331. The next prime is 55475340367. The reversal of 55475340345 is 54304357455.

55475340345 is a `hidden beast` number, since 554 + 7 + 53 + 4 + 0 + 3 + 45 = 666.

It is not a de Polignac number, because 55475340345 - 2¹¹ = 55475338297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55475340345.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 3596941 + ... + 3612330.

It is an arithmetic number, because the mean of its divisors is an integer number (2616965736).

Almost surely, 2^55475340345 is an apocalyptic number.

It is an amenable number.

55475340345 is a deficient number, since it is larger than the sum of its proper divisors (49203289095).

55475340345 is a wasteful number, since it uses less digits than its factorization.

55475340345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209307 (or 7209298 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 45.

The spelling of 55475340345 in words is "fifty-five billion, four hundred seventy-five million, three hundred forty thousand, three hundred forty-five".