53864210545 has 16 divisors (see below), whose sum is σ = 65725199568. Its totient is φ = 42366551040.

The previous prime is 53864210489. The next prime is 53864210557. The reversal of 53864210545 is 54501246835.

It can be written as a sum of positive squares in 8 ways, for example, as 2022840576 + 51841369969 = 44976^2 + 227687^2 .

It is not a de Polignac number, because 53864210545 - 2⁹ = 53864210033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687837 + ... + 762133.

It is an arithmetic number, because the mean of its divisors is an integer number (4107824973).

Almost surely, 2^53864210545 is an apocalyptic number.

It is an amenable number.

53864210545 is a deficient number, since it is larger than the sum of its proper divisors (11860989023).

53864210545 is a wasteful number, since it uses less digits than its factorization.

53864210545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76740.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 53864210545 in words is "fifty-three billion, eight hundred sixty-four million, two hundred ten thousand, five hundred forty-five".