53627561 has 8 divisors (see below), whose sum is σ = 57995784. Its totient is φ = 49294080.

The previous prime is 53627533. The next prime is 53627569. The reversal of 53627561 is 16572635.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 53509225 = 344^2 + 7315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53627561 - 2¹⁰ = 53626537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53627569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (7249473).

Almost surely, 2^53627561 is an apocalyptic number.

It is an amenable number.

53627561 is a deficient number, since it is larger than the sum of its proper divisors (4368223).

53627561 is a wasteful number, since it uses less digits than its factorization.

53627561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17371.

The product of its digits is 37800, while the sum is 35.

The square root of 53627561 is about 7323.0841180475. The cubic root of 53627561 is about 377.1053396299.

The spelling of 53627561 in words is "fifty-three million, six hundred twenty-seven thousand, five hundred sixty-one".