53091801 has 16 divisors (see below), whose sum is σ = 89891200. Its totient is φ = 30338064.

The previous prime is 53091769. The next prime is 53091803. The reversal of 53091801 is 10819035.

It is not a de Polignac number, because 53091801 - 2⁵ = 53091769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53091803) 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, 140266 + ... + 140643.

It is an arithmetic number, because the mean of its divisors is an integer number (5618200).

Almost surely, 2^53091801 is an apocalyptic number.

It is an amenable number.

53091801 is a deficient number, since it is larger than the sum of its proper divisors (36799399).

53091801 is a wasteful number, since it uses less digits than its factorization.

53091801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280925 (or 280919 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 53091801 is about 7286.4120800295. The cubic root of 53091801 is about 375.8453250364.

The spelling of 53091801 in words is "fifty-three million, ninety-one thousand, eight hundred one".