54336261566 has 16 divisors (see below), whose sum is σ = 82213165104. Its totient is φ = 26932673664.

The previous prime is 54336261563. The next prime is 54336261569. The reversal of 54336261566 is 66516263345.

It is an interprime number because it is at equal distance from previous prime (54336261563) and next prime (54336261569).

It is a self number, because there is not a number n which added to its sum of digits gives 54336261566.

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 7 ways as a sum of consecutive naturals, for example, 63860 + ... + 335783.

It is an arithmetic number, because the mean of its divisors is an integer number (5138322819).

Almost surely, 2^54336261566 is an apocalyptic number.

54336261566 is a deficient number, since it is larger than the sum of its proper divisors (27876903538).

54336261566 is a wasteful number, since it uses less digits than its factorization.

54336261566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400235.

The product of its digits is 2332800, while the sum is 47.

The spelling of 54336261566 in words is "fifty-four billion, three hundred thirty-six million, two hundred sixty-one thousand, five hundred sixty-six".