53853518890 has 16 divisors (see below), whose sum is σ = 98765322408. Its totient is φ = 21134965696.

The previous prime is 53853518863. The next prime is 53853518899. The reversal of 53853518890 is 9881535835.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53574194521 + 279324369 = 231461^2 + 16713^2 .

It is not an unprimeable number, because it can be changed into a prime (53853518899) 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 7 ways as a sum of consecutive naturals, for example, 50804677 + ... + 50805736.

Almost surely, 2^53853518890 is an apocalyptic number.

53853518890 is a deficient number, since it is larger than the sum of its proper divisors (44911803518).

53853518890 is a wasteful number, since it uses less digits than its factorization.

53853518890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101610473.

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 53853518890 in words is "fifty-three billion, eight hundred fifty-three million, five hundred eighteen thousand, eight hundred ninety".