53585531 has 2 divisors, whose sum is σ = 53585532. Its totient is φ = 53585530.

The previous prime is 53585527. The next prime is 53585549. The reversal of 53585531 is 13558535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53585531 - 2² = 53585527 is a prime.

It is a super-2 number, since 2×53585531² = 5742818265103922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53585491 and 53585500.

It is not a weakly prime, because it can be changed into another prime (53585551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26792765 + 26792766.

It is an arithmetic number, because the mean of its divisors is an integer number (26792766).

Almost surely, 2^53585531 is an apocalyptic number.

53585531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53585531 is an equidigital number, since it uses as much as digits as its factorization.

53585531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 35.

The square root of 53585531 is about 7320.2138629961. The cubic root of 53585531 is about 377.0067965200.

The spelling of 53585531 in words is "fifty-three million, five hundred eighty-five thousand, five hundred thirty-one".