53328157 has 2 divisors, whose sum is σ = 53328158. Its totient is φ = 53328156.

The previous prime is 53328139. The next prime is 53328161. The reversal of 53328157 is 75182335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39866596 + 13461561 = 6314^2 + 3669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53328157 is a prime.

It is equal to p_3188563 and since 53328157 and 3188563 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53328857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26664078 + 26664079.

It is an arithmetic number, because the mean of its divisors is an integer number (26664079).

Almost surely, 2^53328157 is an apocalyptic number.

It is an amenable number.

53328157 is a deficient number, since it is larger than the sum of its proper divisors (1).

53328157 is an equidigital number, since it uses as much as digits as its factorization.

53328157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 53328157 is about 7302.6130254862. The cubic root of 53328157 is about 376.4022333680.

The spelling of 53328157 in words is "fifty-three million, three hundred twenty-eight thousand, one hundred fifty-seven".