53255445465 has 32 divisors (see below), whose sum is σ = 86623948800. Its totient is φ = 27932566464.

The previous prime is 53255445457. The next prime is 53255445469. The reversal of 53255445465 is 56454455235.

It is not a de Polignac number, because 53255445465 - 2³ = 53255445457 is a prime.

It is a super-2 number, since 2×53255445465² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53255445469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566386 + ... + 653684.

It is an arithmetic number, because the mean of its divisors is an integer number (2706998400).

Almost surely, 2^53255445465 is an apocalyptic number.

It is an amenable number.

53255445465 is a deficient number, since it is larger than the sum of its proper divisors (33368503335).

53255445465 is a wasteful number, since it uses less digits than its factorization.

53255445465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87981.

The product of its digits is 7200000, while the sum is 48.

The spelling of 53255445465 in words is "fifty-three billion, two hundred fifty-five million, four hundred forty-five thousand, four hundred sixty-five".