53145551263 has 48 divisors (see below), whose sum is σ = 66070387200. Its totient is φ = 42499416960.

The previous prime is 53145551233. The next prime is 53145551297. The reversal of 53145551263 is 36215554135.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-53145551263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53145551233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40230643 + ... + 40231963.

It is an arithmetic number, because the mean of its divisors is an integer number (1376466400).

Almost surely, 2^53145551263 is an apocalyptic number.

53145551263 is a deficient number, since it is larger than the sum of its proper divisors (12924835937).

53145551263 is a wasteful number, since it uses less digits than its factorization.

53145551263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1973 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The spelling of 53145551263 in words is "fifty-three billion, one hundred forty-five million, five hundred fifty-one thousand, two hundred sixty-three".