54336261565 has 32 divisors (see below), whose sum is σ = 69004970496. Its totient is φ = 40991723520.

The previous prime is 54336261563. The next prime is 54336261569. The reversal of 54336261565 is 56516263345.

It is not a de Polignac number, because 54336261565 - 2¹ = 54336261563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54336261563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2924505 + ... + 2943025.

It is an arithmetic number, because the mean of its divisors is an integer number (2156405328).

Almost surely, 2^54336261565 is an apocalyptic number.

It is an amenable number.

54336261565 is a deficient number, since it is larger than the sum of its proper divisors (14668708931).

54336261565 is a wasteful number, since it uses less digits than its factorization.

54336261565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18909.

The product of its digits is 1944000, while the sum is 46.

The spelling of 54336261565 in words is "fifty-four billion, three hundred thirty-six million, two hundred sixty-one thousand, five hundred sixty-five".