53257915305003 has 32 divisors (see below), whose sum is σ = 72679023599616. Its totient is φ = 34674393748608.

The previous prime is 53257915304989. The next prime is 53257915305053. The reversal of 53257915305003 is 30050351975235.

It is a happy number.

It is not a de Polignac number, because 53257915305003 - 2¹⁰ = 53257915303979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53257915305053) 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, 144093825 + ... + 144462957.

It is an arithmetic number, because the mean of its divisors is an integer number (2271219487488).

Almost surely, 2^{53257915305003} is an apocalyptic number.

53257915305003 is a deficient number, since it is larger than the sum of its proper divisors (19421108294613).

53257915305003 is a wasteful number, since it uses less digits than its factorization.

53257915305003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371403.

The product of its (nonzero) digits is 2126250, while the sum is 48.

The spelling of 53257915305003 in words is "fifty-three trillion, two hundred fifty-seven billion, nine hundred fifteen million, three hundred five thousand, three".