54157079121 has 8 divisors (see below), whose sum is σ = 72219987840. Its totient is φ = 36099444912.

The previous prime is 54157079083. The next prime is 54157079159. The reversal of 54157079121 is 12197075145.

It is an interprime number because it is at equal distance from previous prime (54157079083) and next prime (54157079159).

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

It is not a de Polignac number, because 54157079121 - 2⁶ = 54157079057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54157009121) 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, 1294606 + ... + 1335783.

It is an arithmetic number, because the mean of its divisors is an integer number (9027498480).

Almost surely, 2^54157079121 is an apocalyptic number.

It is an amenable number.

54157079121 is a deficient number, since it is larger than the sum of its proper divisors (18062908719).

54157079121 is a wasteful number, since it uses less digits than its factorization.

54157079121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637255.

The product of its (nonzero) digits is 88200, while the sum is 42.

The spelling of 54157079121 in words is "fifty-four billion, one hundred fifty-seven million, seventy-nine thousand, one hundred twenty-one".