54195691 has 8 divisors (see below), whose sum is σ = 59709168. Its totient is φ = 48780000.

The previous prime is 54195671. The next prime is 54195709. The reversal of 54195691 is 19659145.

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 54195691 - 2¹⁹ = 53671403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54195641) 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, 23280 + ... + 25501.

It is an arithmetic number, because the mean of its divisors is an integer number (7463646).

Almost surely, 2^54195691 is an apocalyptic number.

54195691 is a deficient number, since it is larger than the sum of its proper divisors (5513477).

54195691 is a wasteful number, since it uses less digits than its factorization.

54195691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48893.

The product of its digits is 48600, while the sum is 40.

The square root of 54195691 is about 7361.7722730332. The cubic root of 54195691 is about 378.4323482597.

The spelling of 54195691 in words is "fifty-four million, one hundred ninety-five thousand, six hundred ninety-one".