52988526890 has 32 divisors (see below), whose sum is σ = 108758356560. Its totient is φ = 18414111744.

The previous prime is 52988526887. The next prime is 52988526893. The reversal of 52988526890 is 9862588925.

It is an interprime number because it is at equal distance from previous prime (52988526887) and next prime (52988526893).

It can be written as a sum of positive squares in 8 ways, for example, as 20862624721 + 32125902169 = 144439^2 + 179237^2 .

It is a super-4 number, since 4×52988526890⁴ (a number of 44 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52988526893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11986145 + ... + 11990564.

Almost surely, 2^52988526890 is an apocalyptic number.

52988526890 is an abundant number, since it is smaller than the sum of its proper divisors (55769829670).

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

52988526890 is a wasteful number, since it uses less digits than its factorization.

52988526890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23976746.

The product of its (nonzero) digits is 24883200, while the sum is 62.

The spelling of 52988526890 in words is "fifty-two billion, nine hundred eighty-eight million, five hundred twenty-six thousand, eight hundred ninety".