53091017 has 16 divisors (see below), whose sum is σ = 64437120. Its totient is φ = 42701568.

The previous prime is 53091013. The next prime is 53091029. The reversal of 53091017 is 71019035.

It is not a de Polignac number, because 53091017 - 2² = 53091013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53091013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78083 + ... + 78759.

It is an arithmetic number, because the mean of its divisors is an integer number (4027320).

Almost surely, 2^53091017 is an apocalyptic number.

It is an amenable number.

53091017 is a deficient number, since it is larger than the sum of its proper divisors (11346103).

53091017 is a wasteful number, since it uses less digits than its factorization.

53091017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 53091017 is about 7286.3582810619. The cubic root of 53091017 is about 375.8434750070.

The spelling of 53091017 in words is "fifty-three million, ninety-one thousand, seventeen".