53336557 has 2 divisors, whose sum is σ = 53336558. Its totient is φ = 53336556.

The previous prime is 53336533. The next prime is 53336567. The reversal of 53336557 is 75563335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 1121481 = 7226^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 53336557 - 2¹⁹ = 52812269 is a prime.

It is a super-2 number, since 2×53336557² = 5689576625228498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53336527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26668278 + 26668279.

It is an arithmetic number, because the mean of its divisors is an integer number (26668279).

Almost surely, 2^53336557 is an apocalyptic number.

It is an amenable number.

53336557 is a deficient number, since it is larger than the sum of its proper divisors (1).

53336557 is an equidigital number, since it uses as much as digits as its factorization.

53336557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 37.

The square root of 53336557 is about 7303.1881394361. The cubic root of 53336557 is about 376.4219953658.

It can be divided in two parts, 53 and 336557, that added together give a triangular number (336610 = T₈₂₀).

The spelling of 53336557 in words is "fifty-three million, three hundred thirty-six thousand, five hundred fifty-seven".