53178069782 has 16 divisors (see below), whose sum is σ = 83977786800. Its totient is φ = 25185888000.

The previous prime is 53178069781. The next prime is 53178069787. The reversal of 53178069782 is 28796087135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53178069781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166094 + ... + 365982.

It is an arithmetic number, because the mean of its divisors is an integer number (5248611675).

Almost surely, 2^53178069782 is an apocalyptic number.

53178069782 is a deficient number, since it is larger than the sum of its proper divisors (30799717018).

53178069782 is a wasteful number, since it uses less digits than its factorization.

53178069782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206911.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 53178069782 in words is "fifty-three billion, one hundred seventy-eight million, sixty-nine thousand, seven hundred eighty-two".