53501775 has 12 divisors (see below), whose sum is σ = 88456392. Its totient is φ = 28534240.

The previous prime is 53501743. The next prime is 53501779. The reversal of 53501775 is 57710535.

It is not a de Polignac number, because 53501775 - 2⁵ = 53501743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356604 + ... + 356753.

It is an arithmetic number, because the mean of its divisors is an integer number (7371366).

Almost surely, 2^53501775 is an apocalyptic number.

53501775 is a deficient number, since it is larger than the sum of its proper divisors (34954617).

53501775 is a wasteful number, since it uses less digits than its factorization.

53501775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713370 (or 713365 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 53501775 is about 7314.4907546595. The cubic root of 53501775 is about 376.8102692938.

The spelling of 53501775 in words is "fifty-three million, five hundred one thousand, seven hundred seventy-five".