53905397 has 8 divisors (see below), whose sum is σ = 66345216. Its totient is φ = 42650352.

The previous prime is 53905391. The next prime is 53905421. The reversal of 53905397 is 79350935.

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 53905397 - 2⁶ = 53905333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53905391) 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, 296093 + ... + 296274.

It is an arithmetic number, because the mean of its divisors is an integer number (8293152).

Almost surely, 2^53905397 is an apocalyptic number.

It is an amenable number.

53905397 is a deficient number, since it is larger than the sum of its proper divisors (12439819).

53905397 is a wasteful number, since it uses less digits than its factorization.

53905397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592387.

The product of its (nonzero) digits is 127575, while the sum is 41.

The square root of 53905397 is about 7342.0294878187. The cubic root of 53905397 is about 377.7554594434.

It can be divided in two parts, 5390539 and 7, that multiplied together give a palindrome (37733773).

The spelling of 53905397 in words is "fifty-three million, nine hundred five thousand, three hundred ninety-seven".