53688291 has 8 divisors (see below), whose sum is σ = 71628480. Its totient is φ = 35770152.

The previous prime is 53688287. The next prime is 53688307. The reversal of 53688291 is 19288635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53688291 - 2² = 53688287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53688211) 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, 1416 + ... + 10458.

It is an arithmetic number, because the mean of its divisors is an integer number (8953560).

Almost surely, 2^53688291 is an apocalyptic number.

53688291 is a deficient number, since it is larger than the sum of its proper divisors (17940189).

53688291 is a wasteful number, since it uses less digits than its factorization.

53688291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025.

The product of its digits is 103680, while the sum is 42.

The square root of 53688291 is about 7327.2294218210. The cubic root of 53688291 is about 377.2476356644.

The spelling of 53688291 in words is "fifty-three million, six hundred eighty-eight thousand, two hundred ninety-one".