90354535252 has 6 divisors (see below), whose sum is σ = 158120436698. Its totient is φ = 45177267624.

The previous prime is 90354535171. The next prime is 90354535253. The reversal of 90354535252 is 25253545309.

It can be written as a sum of positive squares in only one way, i.e., 80313292816 + 10041242436 = 283396^2 + 100206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90354535199 and 90354535208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90354535253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11294316903 + ... + 11294316910.

Almost surely, 2^90354535252 is an apocalyptic number.

It is an amenable number.

90354535252 is a deficient number, since it is larger than the sum of its proper divisors (67765901446).

90354535252 is a wasteful number, since it uses less digits than its factorization.

90354535252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22588633817 (or 22588633815 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 90354535252 in words is "ninety billion, three hundred fifty-four million, five hundred thirty-five thousand, two hundred fifty-two".