54142161 has 32 divisors (see below), whose sum is σ = 80725248. Its totient is φ = 32102400.

The previous prime is 54142157. The next prime is 54142163. The reversal of 54142161 is 16124145.

It is a happy number.

It is not a de Polignac number, because 54142161 - 2² = 54142157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54142163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118245 + ... + 118701.

It is an arithmetic number, because the mean of its divisors is an integer number (2522664).

Almost surely, 2^54142161 is an apocalyptic number.

54142161 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54142161 is a deficient number, since it is larger than the sum of its proper divisors (26583087).

54142161 is a wasteful number, since it uses less digits than its factorization.

54142161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 960, while the sum is 24.

The square root of 54142161 is about 7358.1357013852. The cubic root of 54142161 is about 378.3077125402.

The spelling of 54142161 in words is "fifty-four million, one hundred forty-two thousand, one hundred sixty-one".