54149295691 has 8 divisors (see below), whose sum is σ = 54682749360. Its totient is φ = 53616794112.

The previous prime is 54149295667. The next prime is 54149295703. The reversal of 54149295691 is 19659294145.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54149295691 - 2²⁵ = 54115741259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54149295091) 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 7 ways as a sum of consecutive naturals, for example, 123445 + ... + 351478.

It is an arithmetic number, because the mean of its divisors is an integer number (6835343670).

Almost surely, 2^54149295691 is an apocalyptic number.

54149295691 is a deficient number, since it is larger than the sum of its proper divisors (533453669).

54149295691 is a wasteful number, since it uses less digits than its factorization.

54149295691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476045.

The product of its digits is 3499200, while the sum is 55.

The spelling of 54149295691 in words is "fifty-four billion, one hundred forty-nine million, two hundred ninety-five thousand, six hundred ninety-one".