90242555293 has 8 divisors (see below), whose sum is σ = 98728509600. Its totient is φ = 81803615280.

The previous prime is 90242555261. The next prime is 90242555309. The reversal of 90242555293 is 39255524209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90242555293 - 2⁵ = 90242555261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90242555243) 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, 11749555 + ... + 11757232.

It is an arithmetic number, because the mean of its divisors is an integer number (12341063700).

Almost surely, 2^90242555293 is an apocalyptic number.

It is an amenable number.

90242555293 is a deficient number, since it is larger than the sum of its proper divisors (8485954307).

90242555293 is a wasteful number, since it uses less digits than its factorization.

90242555293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23507147.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 90242555293 in words is "ninety billion, two hundred forty-two million, five hundred fifty-five thousand, two hundred ninety-three".