53901569 has 2 divisors, whose sum is σ = 53901570. Its totient is φ = 53901568.

The previous prime is 53901557. The next prime is 53901599. The reversal of 53901569 is 96510935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45050944 + 8850625 = 6712^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 53901569 - 2⁸ = 53901313 is a prime.

It is a super-2 number, since 2×53901569² = 5810758281323522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53901539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950784 + 26950785.

It is an arithmetic number, because the mean of its divisors is an integer number (26950785).

Almost surely, 2^53901569 is an apocalyptic number.

It is an amenable number.

53901569 is a deficient number, since it is larger than the sum of its proper divisors (1).

53901569 is an equidigital number, since it uses as much as digits as its factorization.

53901569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 53901569 is about 7341.7687923279. The cubic root of 53901569 is about 377.7465173448.

The spelling of 53901569 in words is "fifty-three million, nine hundred one thousand, five hundred sixty-nine".