53190806647 has 4 divisors (see below), whose sum is σ = 58026334536. Its totient is φ = 48355278760.

The previous prime is 53190806593. The next prime is 53190806659. The reversal of 53190806647 is 74660809135.

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

It is a cyclic number.

It is not a de Polignac number, because 53190806647 - 2³⁵ = 18831068279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53190806647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53190806447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417763928 + ... + 2417763949.

It is an arithmetic number, because the mean of its divisors is an integer number (14506583634).

Almost surely, 2^53190806647 is an apocalyptic number.

53190806647 is a deficient number, since it is larger than the sum of its proper divisors (4835527889).

53190806647 is a wasteful number, since it uses less digits than its factorization.

53190806647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835527888.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 53190806647 in words is "fifty-three billion, one hundred ninety million, eight hundred six thousand, six hundred forty-seven".