55506649570 has 32 divisors (see below), whose sum is σ = 104611917312. Its totient is φ = 21164818752.

The previous prime is 55506649537. The next prime is 55506649577. The reversal of 55506649570 is 7594660555.

It is not an unprimeable number, because it can be changed into a prime (55506649577) 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, 344442 + ... + 479221.

It is an arithmetic number, because the mean of its divisors is an integer number (3269122416).

Almost surely, 2^55506649570 is an apocalyptic number.

55506649570 is a deficient number, since it is larger than the sum of its proper divisors (49105267742).

55506649570 is a wasteful number, since it uses less digits than its factorization.

55506649570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823986.

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 55506649570 in words is "fifty-five billion, five hundred six million, six hundred forty-nine thousand, five hundred seventy".