53018899 has 2 divisors, whose sum is σ = 53018900. Its totient is φ = 53018898.

The previous prime is 53018893. The next prime is 53018923. The reversal of 53018899 is 99881035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53018899 is a prime.

It is a super-2 number, since 2×53018899² = 5622007302344402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53018893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26509449 + 26509450.

It is an arithmetic number, because the mean of its divisors is an integer number (26509450).

Almost surely, 2^53018899 is an apocalyptic number.

53018899 is a deficient number, since it is larger than the sum of its proper divisors (1).

53018899 is an equidigital number, since it uses as much as digits as its factorization.

53018899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 53018899 is about 7281.4077622394. The cubic root of 53018899 is about 375.6732179430.

The spelling of 53018899 in words is "fifty-three million, eighteen thousand, eight hundred ninety-nine".