53445527 has 2 divisors, whose sum is σ = 53445528. Its totient is φ = 53445526.

The previous prime is 53445487. The next prime is 53445541. The reversal of 53445527 is 72554435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53445527 - 2²⁰ = 52396951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53445547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26722763 + 26722764.

It is an arithmetic number, because the mean of its divisors is an integer number (26722764).

Almost surely, 2^53445527 is an apocalyptic number.

53445527 is a deficient number, since it is larger than the sum of its proper divisors (1).

53445527 is an equidigital number, since it uses as much as digits as its factorization.

53445527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 35.

The square root of 53445527 is about 7310.6447732057. The cubic root of 53445527 is about 376.6781723933.

The spelling of 53445527 in words is "fifty-three million, four hundred forty-five thousand, five hundred twenty-seven".