55005464641 has 4 divisors (see below), whose sum is σ = 55519534512. Its totient is φ = 54491394772.

The previous prime is 55005464627. The next prime is 55005464653. The reversal of 55005464641 is 14646450055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14646450055 = 5 ⋅2929290011.

It is a cyclic number.

It is not a de Polignac number, because 55005464641 - 2⁵ = 55005464609 is a prime.

It is a super-2 number, since 2×55005464641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55005464594 and 55005464603.

It is not an unprimeable number, because it can be changed into a prime (55005494641) 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, 257034775 + ... + 257034988.

It is an arithmetic number, because the mean of its divisors is an integer number (13879883628).

Almost surely, 2^55005464641 is an apocalyptic number.

It is an amenable number.

55005464641 is a deficient number, since it is larger than the sum of its proper divisors (514069871).

55005464641 is a wasteful number, since it uses less digits than its factorization.

55005464641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514069870.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 55005464641 in words is "fifty-five billion, five million, four hundred sixty-four thousand, six hundred forty-one".