53310472785 has 120 divisors (see below), whose sum is σ = 99503437176. Its totient is φ = 27305026560.

The previous prime is 53310472729. The next prime is 53310472811. The reversal of 53310472785 is 58727401335.

53310472785 is a `hidden beast` number, since 5 + 331 + 0 + 47 + 278 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 16589182401 + 36721290384 = 128799^2 + 191628^2 .

It is not a de Polignac number, because 53310472785 - 2⁹ = 53310472273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53310472785.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 95709727 + ... + 95710283.

Almost surely, 2^53310472785 is an apocalyptic number.

It is an amenable number.

53310472785 is a deficient number, since it is larger than the sum of its proper divisors (46192964391).

53310472785 is a wasteful number, since it uses less digits than its factorization.

53310472785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 53310472785 in words is "fifty-three billion, three hundred ten million, four hundred seventy-two thousand, seven hundred eighty-five".