53237511601 has 4 divisors (see below), whose sum is σ = 53255518452. Its totient is φ = 53219504752.

The previous prime is 53237511581. The next prime is 53237511619. The reversal of 53237511601 is 10611573235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30700296225 + 22537215376 = 175215^2 + 150124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53237511601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53237511671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8998990 + ... + 9004903.

It is an arithmetic number, because the mean of its divisors is an integer number (13313879613).

Almost surely, 2^53237511601 is an apocalyptic number.

It is an amenable number.

53237511601 is a deficient number, since it is larger than the sum of its proper divisors (18006851).

53237511601 is a wasteful number, since it uses less digits than its factorization.

53237511601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006850.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 53237511601 in words is "fifty-three billion, two hundred thirty-seven million, five hundred eleven thousand, six hundred one".