53425561 has 8 divisors (see below), whose sum is σ = 61894784. Its totient is φ = 45165600.

The previous prime is 53425553. The next prime is 53425571. The reversal of 53425561 is 16552435.

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 53425561 - 2³ = 53425553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53425571) 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, 51765 + ... + 52786.

It is an arithmetic number, because the mean of its divisors is an integer number (7736848).

Almost surely, 2^53425561 is an apocalyptic number.

It is an amenable number.

53425561 is a deficient number, since it is larger than the sum of its proper divisors (8469223).

53425561 is a wasteful number, since it uses less digits than its factorization.

53425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104631.

The product of its digits is 18000, while the sum is 31.

The square root of 53425561 is about 7309.2791026202. The cubic root of 53425561 is about 376.6312604967.

Adding to 53425561 its reverse (16552435), we get a palindrome (69977996).

The spelling of 53425561 in words is "fifty-three million, four hundred twenty-five thousand, five hundred sixty-one".