54121070171 has 24 divisors (see below), whose sum is σ = 67970831520. Its totient is φ = 42155108352.

The previous prime is 54121070147. The next prime is 54121070233. The reversal of 54121070171 is 17107012145.

It is not a de Polignac number, because 54121070171 - 2²² = 54116875867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54121070371) 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, 402590 + ... + 519923.

It is an arithmetic number, because the mean of its divisors is an integer number (2832117980).

Almost surely, 2^54121070171 is an apocalyptic number.

54121070171 is a deficient number, since it is larger than the sum of its proper divisors (13849761349).

54121070171 is a wasteful number, since it uses less digits than its factorization.

54121070171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922583 (or 922566 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

The spelling of 54121070171 in words is "fifty-four billion, one hundred twenty-one million, seventy thousand, one hundred seventy-one".