54195809942 has 8 divisors (see below), whose sum is σ = 81320230056. Its totient is φ = 27089066592.

The previous prime is 54195809917. The next prime is 54195809953. The reversal of 54195809942 is 24990859145.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4411523 + ... + 4423790.

It is an arithmetic number, because the mean of its divisors is an integer number (10165028757).

Almost surely, 2^54195809942 is an apocalyptic number.

54195809942 is a deficient number, since it is larger than the sum of its proper divisors (27124420114).

54195809942 is a wasteful number, since it uses less digits than its factorization.

54195809942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8838382.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 54195809942 in words is "fifty-four billion, one hundred ninety-five million, eight hundred nine thousand, nine hundred forty-two".