53544157 has 2 divisors, whose sum is σ = 53544158. Its totient is φ = 53544156.

The previous prime is 53544149. The next prime is 53544173. The reversal of 53544157 is 75144535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 20124196 = 5781^2 + 4486^2 .

It is a cyclic number.

It is not a de Polignac number, because 53544157 - 2³ = 53544149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53544137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772078 + 26772079.

It is an arithmetic number, because the mean of its divisors is an integer number (26772079).

Almost surely, 2^53544157 is an apocalyptic number.

It is an amenable number.

53544157 is a deficient number, since it is larger than the sum of its proper divisors (1).

53544157 is an equidigital number, since it uses as much as digits as its factorization.

53544157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 34.

The square root of 53544157 is about 7317.3873069559. The cubic root of 53544157 is about 376.9097411198.

The spelling of 53544157 in words is "fifty-three million, five hundred forty-four thousand, one hundred fifty-seven".