53427121 has 8 divisors (see below), whose sum is σ = 58341600. Its totient is φ = 48522240.

The previous prime is 53427119. The next prime is 53427139. The reversal of 53427121 is 12172435.

It is a happy number.

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 53427121 - 2¹ = 53427119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53427161) 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, 14385 + ... + 17713.

It is an arithmetic number, because the mean of its divisors is an integer number (7292700).

Almost surely, 2^53427121 is an apocalyptic number.

It is an amenable number.

53427121 is a deficient number, since it is larger than the sum of its proper divisors (4914479).

53427121 is a wasteful number, since it uses less digits than its factorization.

53427121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its digits is 1680, while the sum is 25.

The square root of 53427121 is about 7309.3858155115. The cubic root of 53427121 is about 376.6349262766.

Adding to 53427121 its reverse (12172435), we get a palindrome (65599556).

The spelling of 53427121 in words is "fifty-three million, four hundred twenty-seven thousand, one hundred twenty-one".