55546464556 has 12 divisors (see below), whose sum is σ = 106043250600. Its totient is φ = 25248392960.

The previous prime is 55546464551. The next prime is 55546464569. The reversal of 55546464556 is 65546464555.

It is a junction number, because it is equal to n+sod(n) for n = 55546464497 and 55546464506.

It is not an unprimeable number, because it can be changed into a prime (55546464551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631209781 + ... + 631209868.

It is an arithmetic number, because the mean of its divisors is an integer number (8836937550).

Almost surely, 2^55546464556 is an apocalyptic number.

It is an amenable number.

55546464556 is a deficient number, since it is larger than the sum of its proper divisors (50496786044).

55546464556 is a wasteful number, since it uses less digits than its factorization.

55546464556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262419664 (or 1262419662 counting only the distinct ones).

The product of its digits is 43200000, while the sum is 55.

Subtracting 55546464556 from its reverse (65546464555), we obtain a palindrome (9999999999).

The spelling of 55546464556 in words is "fifty-five billion, five hundred forty-six million, four hundred sixty-four thousand, five hundred fifty-six".