53759921 has 8 divisors (see below), whose sum is σ = 55782144. Its totient is φ = 51755760.

The previous prime is 53759917. The next prime is 53760011. The reversal of 53759921 is 12995735.

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 53759921 - 2² = 53759917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53759521) 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, 1706 + ... + 10508.

It is an arithmetic number, because the mean of its divisors is an integer number (6972768).

Almost surely, 2^53759921 is an apocalyptic number.

It is an amenable number.

53759921 is a deficient number, since it is larger than the sum of its proper divisors (2022223).

53759921 is a wasteful number, since it uses less digits than its factorization.

53759921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its digits is 85050, while the sum is 41.

The square root of 53759921 is about 7332.1157246732. The cubic root of 53759921 is about 377.4153335553.

The spelling of 53759921 in words is "fifty-three million, seven hundred fifty-nine thousand, nine hundred twenty-one".