53450355520145 has 32 divisors (see below), whose sum is σ = 66616880803200. Its totient is φ = 41143974936064.

The previous prime is 53450355520123. The next prime is 53450355520207. The reversal of 53450355520145 is 54102555305435.

It is not a de Polignac number, because 53450355520145 - 2⁸ = 53450355519889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53450355520145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2471549 + ... + 10630581.

It is an arithmetic number, because the mean of its divisors is an integer number (2081777525100).

Almost surely, 2^{53450355520145} is an apocalyptic number.

It is an amenable number.

53450355520145 is a deficient number, since it is larger than the sum of its proper divisors (13166525283055).

53450355520145 is a wasteful number, since it uses less digits than its factorization.

53450355520145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159569.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 53450355520145 in words is "fifty-three trillion, four hundred fifty billion, three hundred fifty-five million, five hundred twenty thousand, one hundred forty-five".