53627521 has 2 divisors, whose sum is σ = 53627522. Its totient is φ = 53627520.

The previous prime is 53627461. The next prime is 53627527. The reversal of 53627521 is 12572635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48497296 + 5130225 = 6964^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 53627521 - 2¹³ = 53619329 is a prime.

It is a super-2 number, since 2×53627521² = 5751822017210882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53627527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26813760 + 26813761.

It is an arithmetic number, because the mean of its divisors is an integer number (26813761).

Almost surely, 2^53627521 is an apocalyptic number.

It is an amenable number.

53627521 is a deficient number, since it is larger than the sum of its proper divisors (1).

53627521 is an equidigital number, since it uses as much as digits as its factorization.

53627521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 53627521 is about 7323.0813869573. The cubic root of 53627521 is about 377.1052458708.

The spelling of 53627521 in words is "fifty-three million, six hundred twenty-seven thousand, five hundred twenty-one".