53183343766 has 64 divisors (see below), whose sum is σ = 94341832704. Its totient is φ = 22012761600.

The previous prime is 53183343761. The next prime is 53183343781. The reversal of 53183343766 is 66734338135.

It is a happy number.

It is a super-6 number, since 6×53183343766⁶ (a number of 66 digits) contains 666666 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53183343761) 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, 24885850 + ... + 24887986.

It is an arithmetic number, because the mean of its divisors is an integer number (1474091136).

Almost surely, 2^53183343766 is an apocalyptic number.

53183343766 is a deficient number, since it is larger than the sum of its proper divisors (41158488938).

53183343766 is a wasteful number, since it uses less digits than its factorization.

53183343766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its digits is 3265920, while the sum is 49.

The spelling of 53183343766 in words is "fifty-three billion, one hundred eighty-three million, three hundred forty-three thousand, seven hundred sixty-six".