53541431 has 2 divisors, whose sum is σ = 53541432. Its totient is φ = 53541430.

The previous prime is 53541427. The next prime is 53541437. The reversal of 53541431 is 13414535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53541431 - 2² = 53541427 is a prime.

It is a super-2 number, since 2×53541431² = 5733369667055522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53541431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53541437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26770715 + 26770716.

It is an arithmetic number, because the mean of its divisors is an integer number (26770716).

Almost surely, 2^53541431 is an apocalyptic number.

53541431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53541431 is an equidigital number, since it uses as much as digits as its factorization.

53541431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 53541431 is about 7317.2010359153. The cubic root of 53541431 is about 376.9033446958.

Adding to 53541431 its reverse (13414535), we get a palindrome (66955966).

The spelling of 53541431 in words is "fifty-three million, five hundred forty-one thousand, four hundred thirty-one".