91545552339 has 8 divisors (see below), whose sum is σ = 122450708112. Its totient is φ = 60835382400.

The previous prime is 91545552337. The next prime is 91545552349. The reversal of 91545552339 is 93325554519.

It is a happy number.

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

It is not a de Polignac number, because 91545552339 - 2¹ = 91545552337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91545552291 and 91545552300.

It is not an unprimeable number, because it can be changed into a prime (91545552337) 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, 48745362 + ... + 48747239.

It is an arithmetic number, because the mean of its divisors is an integer number (15306338514).

Almost surely, 2^91545552339 is an apocalyptic number.

91545552339 is a deficient number, since it is larger than the sum of its proper divisors (30905155773).

91545552339 is a wasteful number, since it uses less digits than its factorization.

91545552339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97492917.

The product of its digits is 3645000, while the sum is 51.

The spelling of 91545552339 in words is "ninety-one billion, five hundred forty-five million, five hundred fifty-two thousand, three hundred thirty-nine".