52433442019978 has 16 divisors (see below), whose sum is σ = 80776158461280. Its totient is φ = 25508061398736.

The previous prime is 52433442019939. The next prime is 52433442020017. The reversal of 52433442019978 is 87991024433425.

It is an interprime number because it is at equal distance from previous prime (52433442019939) and next prime (52433442020017).

It is a super-2 number, since 2×52433442019978² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19897293 + ... + 22377871.

It is an arithmetic number, because the mean of its divisors is an integer number (5048509903830).

Almost surely, 2^{52433442019978} is an apocalyptic number.

52433442019978 is a deficient number, since it is larger than the sum of its proper divisors (28342716441302).

52433442019978 is a wasteful number, since it uses less digits than its factorization.

52433442019978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766261.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 52433442019978 in words is "fifty-two trillion, four hundred thirty-three billion, four hundred forty-two million, nineteen thousand, nine hundred seventy-eight".