91432828054 has 8 divisors (see below), whose sum is σ = 138801642840. Its totient is φ = 45165613776.

The previous prime is 91432828013. The next prime is 91432828093. The reversal of 91432828054 is 45082823419.

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

It is a junction number, because it is equal to n+sod(n) for n = 91432827995 and 91432828013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275399919 + ... + 275400250.

It is an arithmetic number, because the mean of its divisors is an integer number (17350205355).

Almost surely, 2^91432828054 is an apocalyptic number.

91432828054 is a deficient number, since it is larger than the sum of its proper divisors (47368814786).

91432828054 is a wasteful number, since it uses less digits than its factorization.

91432828054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550800254.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 91432828054 in words is "ninety-one billion, four hundred thirty-two million, eight hundred twenty-eight thousand, fifty-four".