53725397 has 4 divisors (see below), whose sum is σ = 58609536. Its totient is φ = 48841260.

The previous prime is 53725393. The next prime is 53725417. The reversal of 53725397 is 79352735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53725397 - 2² = 53725393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53725393) 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, 2442053 + ... + 2442074.

It is an arithmetic number, because the mean of its divisors is an integer number (14652384).

Almost surely, 2^53725397 is an apocalyptic number.

It is an amenable number.

53725397 is a deficient number, since it is larger than the sum of its proper divisors (4884139).

53725397 is a wasteful number, since it uses less digits than its factorization.

53725397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884138.

The product of its digits is 198450, while the sum is 41.

The square root of 53725397 is about 7329.7610465826. The cubic root of 53725397 is about 377.3345256663.

The spelling of 53725397 in words is "fifty-three million, seven hundred twenty-five thousand, three hundred ninety-seven".