53524649 has 2 divisors, whose sum is σ = 53524650. Its totient is φ = 53524648.

The previous prime is 53524621. The next prime is 53524663. The reversal of 53524649 is 94642535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 18003049 = 5960^2 + 4243^2 .

It is a cyclic number.

It is not a de Polignac number, because 53524649 - 2¹² = 53520553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53524609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26762324 + 26762325.

It is an arithmetic number, because the mean of its divisors is an integer number (26762325).

Almost surely, 2^53524649 is an apocalyptic number.

It is an amenable number.

53524649 is a deficient number, since it is larger than the sum of its proper divisors (1).

53524649 is an equidigital number, since it uses as much as digits as its factorization.

53524649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 53524649 is about 7316.0541960814. The cubic root of 53524649 is about 376.8639617807.

It can be divided in two parts, 5352 and 4649, that added together give a palindrome (10001).

The spelling of 53524649 in words is "fifty-three million, five hundred twenty-four thousand, six hundred forty-nine".