53607993157 has 8 divisors (see below), whose sum is σ = 54624836376. Its totient is φ = 52591348992.

The previous prime is 53607993121. The next prime is 53607993169. The reversal of 53607993157 is 75139970635.

It is a happy number.

53607993157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 231534²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 32160683556 + 21447309601 = 179334^2 + 146449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53607993157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53607993098 and 53607993107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53607999157) 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, 565353 + ... + 653329.

It is an arithmetic number, because the mean of its divisors is an integer number (6828104547).

Almost surely, 2^53607993157 is an apocalyptic number.

It is an amenable number.

53607993157 is a deficient number, since it is larger than the sum of its proper divisors (1016843219).

53607993157 is a wasteful number, since it uses less digits than its factorization.

53607993157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99527.

The product of its (nonzero) digits is 5358150, while the sum is 55.

The spelling of 53607993157 in words is "fifty-three billion, six hundred seven million, nine hundred ninety-three thousand, one hundred fifty-seven".