53101982978 has 8 divisors (see below), whose sum is σ = 86894154000. Its totient is φ = 24137264980.

The previous prime is 53101982977. The next prime is 53101983001. The reversal of 53101982978 is 87928910135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53101982977) 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 3 ways as a sum of consecutive naturals, for example, 1206863228 + ... + 1206863271.

It is an arithmetic number, because the mean of its divisors is an integer number (10861769250).

Almost surely, 2^53101982978 is an apocalyptic number.

53101982978 is a deficient number, since it is larger than the sum of its proper divisors (33792171022).

53101982978 is a wasteful number, since it uses less digits than its factorization.

53101982978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413726512.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 53101982978 in words is "fifty-three billion, one hundred one million, nine hundred eighty-two thousand, nine hundred seventy-eight".