85755484220452 has 6 divisors (see below), whose sum is σ = 150072097385798. Its totient is φ = 42877742110224.

The previous prime is 85755484220447. The next prime is 85755484220453. The reversal of 85755484220452 is 25402248455758.

It can be written as a sum of positive squares in only one way, i.e., 47086687176676 + 38668797043776 = 6861974^2 + 6218424^2 .

It is a super-2 number, since 2×85755484220452² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85755484220453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10719435527553 + ... + 10719435527560.

Almost surely, 2^{85755484220452} is an apocalyptic number.

It is an amenable number.

85755484220452 is a deficient number, since it is larger than the sum of its proper divisors (64316613165346).

85755484220452 is a wasteful number, since it uses less digits than its factorization.

85755484220452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438871055117 (or 21438871055115 counting only the distinct ones).

The product of its (nonzero) digits is 143360000, while the sum is 61.

The spelling of 85755484220452 in words is "eighty-five trillion, seven hundred fifty-five billion, four hundred eighty-four million, two hundred twenty thousand, four hundred fifty-two".