53086757 has 8 divisors (see below), whose sum is σ = 53645592. Its totient is φ = 52531200.

The previous prime is 53086753. The next prime is 53086769. The reversal of 53086757 is 75768035.

It can be written as a sum of positive squares in 4 ways, for example, as 538756 + 52548001 = 734^2 + 7249^2 .

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 53086757 - 2² = 53086753 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53086753) 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, 43013 + ... + 44229.

It is an arithmetic number, because the mean of its divisors is an integer number (6705699).

Almost surely, 2^53086757 is an apocalyptic number.

It is an amenable number.

53086757 is a deficient number, since it is larger than the sum of its proper divisors (558835).

53086757 is a wasteful number, since it uses less digits than its factorization.

53086757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 53086757 is about 7286.0659480957. The cubic root of 53086757 is about 375.8334222327.

The spelling of 53086757 in words is "fifty-three million, eighty-six thousand, seven hundred fifty-seven".