54311334661 has 4 divisors (see below), whose sum is σ = 54336469324. Its totient is φ = 54286200000.

The previous prime is 54311334653. The next prime is 54311334673. The reversal of 54311334661 is 16643311345.

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 46136462436 + 8174872225 = 214794^2 + 90415^2 .

It is a cyclic number.

It is not a de Polignac number, because 54311334661 - 2³ = 54311334653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54311334661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54311334611) 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, 12564090 + ... + 12568411.

It is an arithmetic number, because the mean of its divisors is an integer number (13584117331).

Almost surely, 2^54311334661 is an apocalyptic number.

It is an amenable number.

54311334661 is a deficient number, since it is larger than the sum of its proper divisors (25134663).

54311334661 is a wasteful number, since it uses less digits than its factorization.

54311334661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134662.

The product of its digits is 77760, while the sum is 37.

The spelling of 54311334661 in words is "fifty-four billion, three hundred eleven million, three hundred thirty-four thousand, six hundred sixty-one".