53255501 has 8 divisors (see below), whose sum is σ = 58293144. Its totient is φ = 48352320.

The previous prime is 53255497. The next prime is 53255519. The reversal of 53255501 is 10555235.

It can be written as a sum of positive squares in 4 ways, for example, as 8352100 + 44903401 = 2890^2 + 6701^2 .

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 53255501 - 2² = 53255497 is a prime.

It is a super-2 number, since 2×53255501² = 5672296773522002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53255201) 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, 32786 + ... + 34371.

It is an arithmetic number, because the mean of its divisors is an integer number (7286643).

Almost surely, 2^53255501 is an apocalyptic number.

It is an amenable number.

53255501 is a deficient number, since it is larger than the sum of its proper divisors (5037643).

53255501 is a wasteful number, since it uses less digits than its factorization.

53255501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67231.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 53255501 is about 7297.6366722385. The cubic root of 53255501 is about 376.2312148324.

The spelling of 53255501 in words is "fifty-three million, two hundred fifty-five thousand, five hundred one".