53450715378 has 16 divisors (see below), whose sum is σ = 106972197696. Its totient is φ = 17805110640.

The previous prime is 53450715377. The next prime is 53450715401. The reversal of 53450715378 is 87351705435.

53450715378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53450715371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938801 + ... + 2956932.

It is an arithmetic number, because the mean of its divisors is an integer number (6685762356).

Almost surely, 2^53450715378 is an apocalyptic number.

53450715378 is an abundant number, since it is smaller than the sum of its proper divisors (53521482318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53450715378 is a wasteful number, since it uses less digits than its factorization.

53450715378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897249.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 53450715378 in words is "fifty-three billion, four hundred fifty million, seven hundred fifteen thousand, three hundred seventy-eight".