53513780163 has 32 divisors (see below), whose sum is σ = 74223667200. Its totient is φ = 34258187520.

The previous prime is 53513780153. The next prime is 53513780207. The reversal of 53513780163 is 36108731535.

It is not a de Polignac number, because 53513780163 - 2⁴ = 53513780147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53513780143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24290220 + ... + 24292422.

It is an arithmetic number, because the mean of its divisors is an integer number (2319489600).

Almost surely, 2^53513780163 is an apocalyptic number.

53513780163 is a deficient number, since it is larger than the sum of its proper divisors (20709887037).

53513780163 is a wasteful number, since it uses less digits than its factorization.

53513780163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 53513780163 in words is "fifty-three billion, five hundred thirteen million, seven hundred eighty thousand, one hundred sixty-three".