53088749761 has 4 divisors (see below), whose sum is σ = 56211617412. Its totient is φ = 49965882112.

The previous prime is 53088749729. The next prime is 53088749767. The reversal of 53088749761 is 16794788035.

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 48551919025 + 4536830736 = 220345^2 + 67356^2 .

It is not a de Polignac number, because 53088749761 - 2⁵ = 53088749729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53088749696 and 53088749705.

It is not an unprimeable number, because it can be changed into a prime (53088749767) 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, 1561433800 + ... + 1561433833.

It is an arithmetic number, because the mean of its divisors is an integer number (14052904353).

Almost surely, 2^53088749761 is an apocalyptic number.

It is an amenable number.

53088749761 is a deficient number, since it is larger than the sum of its proper divisors (3122867651).

53088749761 is a wasteful number, since it uses less digits than its factorization.

53088749761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122867650.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 53088749761 in words is "fifty-three billion, eighty-eight million, seven hundred forty-nine thousand, seven hundred sixty-one".