53150074849 has 9 divisors (see below), whose sum is σ = 54487726419. Its totient is φ = 51844509840.

The previous prime is 53150074823. The next prime is 53150074867. The reversal of 53150074849 is 94847005135.

The square root of 53150074849 is 230543.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2561068449 + 50589006400 = 50607^2 + 224920^2 .

It is not a de Polignac number, because 53150074849 - 2⁷ = 53150074721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53150074799 and 53150074808.

It is not an unprimeable number, because it can be changed into a prime (53151074849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9449452 + ... + 9455074.

Almost surely, 2^53150074849 is an apocalyptic number.

53150074849 is the 230543-rd square number.

53150074849 is the 115272-nd centered octagonal number.

It is an amenable number.

53150074849 is a deficient number, since it is larger than the sum of its proper divisors (1337651570).

53150074849 is an frugal number, since it uses more digits than its factorization.

53150074849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 53150074849 in words is "fifty-three billion, one hundred fifty million, seventy-four thousand, eight hundred forty-nine".