52504606434661 has 4 divisors (see below), whose sum is σ = 53923649851852. Its totient is φ = 51085563017472.

The previous prime is 52504606434659. The next prime is 52504606434689. The reversal of 52504606434661 is 16643460640525.

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 50329589092225 + 2175017342436 = 7094335^2 + 1474794^2 .

It is a cyclic number.

It is not a de Polignac number, because 52504606434661 - 2¹ = 52504606434659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52504606434599 and 52504606434608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52504606434601) 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, 709521708540 + ... + 709521708613.

It is an arithmetic number, because the mean of its divisors is an integer number (13480912462963).

Almost surely, 2^{52504606434661} is an apocalyptic number.

It is an amenable number.

52504606434661 is a deficient number, since it is larger than the sum of its proper divisors (1419043417191).

52504606434661 is a wasteful number, since it uses less digits than its factorization.

52504606434661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419043417190.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 52504606434661 in words is "fifty-two trillion, five hundred four billion, six hundred six million, four hundred thirty-four thousand, six hundred sixty-one".