54335138765 has 4 divisors (see below), whose sum is σ = 65202166524. Its totient is φ = 43468111008.

The previous prime is 54335138747. The next prime is 54335138777. The reversal of 54335138765 is 56783153345.

54335138765 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 can be written as a sum of positive squares in 2 ways, for example, as 33925587721 + 20409551044 = 184189^2 + 142862^2 .

It is a cyclic number.

It is not a de Polignac number, because 54335138765 - 2²² = 54330944461 is a prime.

It is a super-2 number, since 2×54335138765² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433513872 + ... + 5433513881.

It is an arithmetic number, because the mean of its divisors is an integer number (16300541631).

Almost surely, 2^54335138765 is an apocalyptic number.

It is an amenable number.

54335138765 is a deficient number, since it is larger than the sum of its proper divisors (10867027759).

54335138765 is a wasteful number, since it uses less digits than its factorization.

54335138765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867027758.

The product of its digits is 4536000, while the sum is 50.

The spelling of 54335138765 in words is "fifty-four billion, three hundred thirty-five million, one hundred thirty-eight thousand, seven hundred sixty-five".