53640097 has 8 divisors (see below), whose sum is σ = 64529600. Its totient is φ = 43557264.

The previous prime is 53640091. The next prime is 53640107. The reversal of 53640097 is 79004635.

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 53640097 - 2³ = 53640089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53640091) 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, 201522 + ... + 201787.

It is an arithmetic number, because the mean of its divisors is an integer number (8066200).

Almost surely, 2^53640097 is an apocalyptic number.

It is an amenable number.

53640097 is a deficient number, since it is larger than the sum of its proper divisors (10889503).

53640097 is a wasteful number, since it uses less digits than its factorization.

53640097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403335.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 53640097 is about 7323.9399915619. The cubic root of 53640097 is about 377.1347214386.

The spelling of 53640097 in words is "fifty-three million, six hundred forty thousand, ninety-seven".