55310054465 has 4 divisors (see below), whose sum is σ = 66372065364. Its totient is φ = 44248043568.

The previous prime is 55310054461. The next prime is 55310054473. The reversal of 55310054465 is 56445001355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38422272256 + 16887782209 = 196016^2 + 129953^2 .

It is a cyclic number.

It is not a de Polignac number, because 55310054465 - 2² = 55310054461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55310054461) 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, 5531005442 + ... + 5531005451.

It is an arithmetic number, because the mean of its divisors is an integer number (16593016341).

Almost surely, 2^55310054465 is an apocalyptic number.

It is an amenable number.

55310054465 is a deficient number, since it is larger than the sum of its proper divisors (11062010899).

55310054465 is a wasteful number, since it uses less digits than its factorization.

55310054465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062010898.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 55310054465 in words is "fifty-five billion, three hundred ten million, fifty-four thousand, four hundred sixty-five".