54361660767 has 32 divisors (see below), whose sum is σ = 78754249728. Its totient is φ = 33221185536.

The previous prime is 54361660751. The next prime is 54361660777. The reversal of 54361660767 is 76706616345.

It is a happy number.

It is not a de Polignac number, because 54361660767 - 2⁴ = 54361660751 is a prime.

It is a super-2 number, since 2×54361660767² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54361660747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739018 + ... + 809240.

It is an arithmetic number, because the mean of its divisors is an integer number (2461070304).

Almost surely, 2^54361660767 is an apocalyptic number.

54361660767 is a deficient number, since it is larger than the sum of its proper divisors (24392588961).

54361660767 is a wasteful number, since it uses less digits than its factorization.

54361660767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70639.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 54361660767 in words is "fifty-four billion, three hundred sixty-one million, six hundred sixty thousand, seven hundred sixty-seven".