54121601 has 2 divisors, whose sum is σ = 54121602. Its totient is φ = 54121600.

The previous prime is 54121589. The next prime is 54121619. The reversal of 54121601 is 10612145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49014001 + 5107600 = 7001^2 + 2260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54121601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54121621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060800 + 27060801.

It is an arithmetic number, because the mean of its divisors is an integer number (27060801).

Almost surely, 2^54121601 is an apocalyptic number.

It is an amenable number.

54121601 is a deficient number, since it is larger than the sum of its proper divisors (1).

54121601 is an equidigital number, since it uses as much as digits as its factorization.

54121601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 54121601 is about 7356.7384757106. The cubic root of 54121601 is about 378.2598201573.

Adding to 54121601 its reverse (10612145), we get a palindrome (64733746).

The spelling of 54121601 in words is "fifty-four million, one hundred twenty-one thousand, six hundred one".