53015899 has 2 divisors, whose sum is σ = 53015900. Its totient is φ = 53015898.

The previous prime is 53015867. The next prime is 53015927. The reversal of 53015899 is 99851035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53015899 - 2⁵ = 53015867 is a prime.

It is not a weakly prime, because it can be changed into another prime (53015999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26507949 + 26507950.

It is an arithmetic number, because the mean of its divisors is an integer number (26507950).

Almost surely, 2^53015899 is an apocalyptic number.

53015899 is a deficient number, since it is larger than the sum of its proper divisors (1).

53015899 is an equidigital number, since it uses as much as digits as its factorization.

53015899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 53015899 is about 7281.2017552050. The cubic root of 53015899 is about 375.6661321620. Note that the first 3 decimals are identical.

The spelling of 53015899 in words is "fifty-three million, fifteen thousand, eight hundred ninety-nine".