52920919178 has 16 divisors (see below), whose sum is σ = 82197045000. Its totient is φ = 25523645952.

The previous prime is 52920919171. The next prime is 52920919201. The reversal of 52920919178 is 87191902925.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52538599369 + 382319809 = 229213^2 + 19553^2 .

It is not an unprimeable number, because it can be changed into a prime (52920919171) 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, 374063 + ... + 495746.

Almost surely, 2^52920919178 is an apocalyptic number.

52920919178 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

52920919178 is a deficient number, since it is larger than the sum of its proper divisors (29276125822).

52920919178 is a wasteful number, since it uses less digits than its factorization.

52920919178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870889.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 52920919178 in words is "fifty-two billion, nine hundred twenty million, nine hundred nineteen thousand, one hundred seventy-eight".