55563351075 has 18 divisors (see below), whose sum is σ = 99520135884. Its totient is φ = 29633787120.

The previous prime is 55563351047. The next prime is 55563351097. The reversal of 55563351075 is 57015336555.

55563351075 is a `hidden beast` number, since 5 + 5 + 5 + 63 + 3 + 510 + 75 = 666.

It is not a de Polignac number, because 55563351075 - 2¹¹ = 55563349027 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 55563351075.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123473889 + ... + 123474338.

It is an arithmetic number, because the mean of its divisors is an integer number (5528896438).

Almost surely, 2^55563351075 is an apocalyptic number.

55563351075 is a deficient number, since it is larger than the sum of its proper divisors (43956784809).

55563351075 is a wasteful number, since it uses less digits than its factorization.

55563351075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246948243 (or 246948235 counting only the distinct ones).

The product of its (nonzero) digits is 1181250, while the sum is 45.

The spelling of 55563351075 in words is "fifty-five billion, five hundred sixty-three million, three hundred fifty-one thousand, seventy-five".