53091043465 has 16 divisors (see below), whose sum is σ = 64575891072. Its totient is φ = 41897931264.

The previous prime is 53091043463. The next prime is 53091043477. The reversal of 53091043465 is 56434019035.

It is a cyclic number.

It is not a de Polignac number, because 53091043465 - 2¹ = 53091043463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53091043463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29389 + ... + 327178.

It is an arithmetic number, because the mean of its divisors is an integer number (4035993192).

Almost surely, 2^53091043465 is an apocalyptic number.

It is an amenable number.

53091043465 is a deficient number, since it is larger than the sum of its proper divisors (11484847607).

53091043465 is a wasteful number, since it uses less digits than its factorization.

53091043465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356976.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 53091043465 in words is "fifty-three billion, ninety-one million, forty-three thousand, four hundred sixty-five".