54144157 has 2 divisors, whose sum is σ = 54144158. Its totient is φ = 54144156.

The previous prime is 54144121. The next prime is 54144161. The reversal of 54144157 is 75144145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34880836 + 19263321 = 5906^2 + 4389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54144157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54144187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27072078 + 27072079.

It is an arithmetic number, because the mean of its divisors is an integer number (27072079).

Almost surely, 2^54144157 is an apocalyptic number.

It is an amenable number.

54144157 is a deficient number, since it is larger than the sum of its proper divisors (1).

54144157 is an equidigital number, since it uses as much as digits as its factorization.

54144157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11200, while the sum is 31.

The square root of 54144157 is about 7358.2713323171. The cubic root of 54144157 is about 378.3123613691.

The spelling of 54144157 in words is "fifty-four million, one hundred forty-four thousand, one hundred fifty-seven".