54195101 has 4 divisors (see below), whose sum is σ = 54427932. Its totient is φ = 53962272.

The previous prime is 54195083. The next prime is 54195103. The reversal of 54195101 is 10159145.

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 29702500 + 24492601 = 5450^2 + 4949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54195101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54195103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116066 + ... + 116531.

It is an arithmetic number, because the mean of its divisors is an integer number (13606983).

Almost surely, 2^54195101 is an apocalyptic number.

It is an amenable number.

54195101 is a deficient number, since it is larger than the sum of its proper divisors (232831).

54195101 is a wasteful number, since it uses less digits than its factorization.

54195101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232830.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 54195101 is about 7361.7322010516. The cubic root of 54195101 is about 378.4309749900.

The spelling of 54195101 in words is "fifty-four million, one hundred ninety-five thousand, one hundred one".