90533850061 has 2 divisors, whose sum is σ = 90533850062. Its totient is φ = 90533850060.

The previous prime is 90533850023. The next prime is 90533850067. The reversal of 90533850061 is 16005833509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60310027561 + 30223822500 = 245581^2 + 173850^2 .

It is a cyclic number.

It is not a de Polignac number, because 90533850061 - 2¹⁵ = 90533817293 is a prime.

It is a super-3 number, since 3×90533850061³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90533849996 and 90533850023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90533850067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45266925030 + 45266925031.

It is an arithmetic number, because the mean of its divisors is an integer number (45266925031).

Almost surely, 2^90533850061 is an apocalyptic number.

It is an amenable number.

90533850061 is a deficient number, since it is larger than the sum of its proper divisors (1).

90533850061 is an equidigital number, since it uses as much as digits as its factorization.

90533850061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 90533850061 in words is "ninety billion, five hundred thirty-three million, eight hundred fifty thousand, sixty-one".