54161507767 has 4 divisors (see below), whose sum is σ = 54162255960. Its totient is φ = 54160759576.

The previous prime is 54161507747. The next prime is 54161507791. The reversal of 54161507767 is 76770516145.

54161507767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 54161507767 - 2¹⁵ = 54161474999 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 54161507767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54161507737) 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, 252292 + ... + 414697.

It is an arithmetic number, because the mean of its divisors is an integer number (13540563990).

Almost surely, 2^54161507767 is an apocalyptic number.

54161507767 is a deficient number, since it is larger than the sum of its proper divisors (748193).

54161507767 is an equidigital number, since it uses as much as digits as its factorization.

54161507767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748192.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 54161507767 in words is "fifty-four billion, one hundred sixty-one million, five hundred seven thousand, seven hundred sixty-seven".