54195871995 has 24 divisors (see below), whose sum is σ = 94245527376. Its totient is φ = 28810306368.

The previous prime is 54195871993. The next prime is 54195871999. The reversal of 54195871995 is 59917859145.

54195871995 is a `hidden beast` number, since 5 + 41 + 9 + 587 + 1 + 9 + 9 + 5 = 666.

It is not a de Polignac number, because 54195871995 - 2¹ = 54195871993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54195871993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1947672 + ... + 1975301.

It is an arithmetic number, because the mean of its divisors is an integer number (3926896974).

Almost surely, 2^54195871995 is an apocalyptic number.

54195871995 is a deficient number, since it is larger than the sum of its proper divisors (40049655381).

54195871995 is a wasteful number, since it uses less digits than its factorization.

54195871995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923291 (or 3923288 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 63.

The spelling of 54195871995 in words is "fifty-four billion, one hundred ninety-five million, eight hundred seventy-one thousand, nine hundred ninety-five".