53156363047 has 4 divisors (see below), whose sum is σ = 53796801240. Its totient is φ = 52515924856.

The previous prime is 53156363021. The next prime is 53156363053. The reversal of 53156363047 is 74036365135.

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 53156363047 - 2¹⁹ = 53155838759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53156362994 and 53156363012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53156363747) 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, 320218972 + ... + 320219137.

It is an arithmetic number, because the mean of its divisors is an integer number (13449200310).

Almost surely, 2^53156363047 is an apocalyptic number.

53156363047 is a deficient number, since it is larger than the sum of its proper divisors (640438193).

53156363047 is an equidigital number, since it uses as much as digits as its factorization.

53156363047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640438192.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 53156363047 in words is "fifty-three billion, one hundred fifty-six million, three hundred sixty-three thousand, forty-seven".