53425457 has 4 divisors (see below), whose sum is σ = 53440500. Its totient is φ = 53410416.

The previous prime is 53425451. The next prime is 53425459. The reversal of 53425457 is 75452435.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 51208336 = 1489^2 + 7156^2 .

It is a cyclic number.

It is not a de Polignac number, because 53425457 - 2⁸ = 53425201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53425451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103 + ... + 10395.

It is an arithmetic number, because the mean of its divisors is an integer number (13360125).

Almost surely, 2^53425457 is an apocalyptic number.

It is an amenable number.

53425457 is a deficient number, since it is larger than the sum of its proper divisors (15043).

53425457 is an equidigital number, since it uses as much as digits as its factorization.

53425457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15042.

The product of its digits is 84000, while the sum is 35.

The square root of 53425457 is about 7309.2719883720. The cubic root of 53425457 is about 376.6310161088.

The spelling of 53425457 in words is "fifty-three million, four hundred twenty-five thousand, four hundred fifty-seven".