91054079 has 8 divisors (see below), whose sum is σ = 95372640. Its totient is φ = 86765536.

The previous prime is 91054009. The next prime is 91054097. The reversal of 91054079 is 97045019.

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 91054079 - 2¹⁶ = 90988543 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 (91054009) 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, 1172 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (11921580).

Almost surely, 2^91054079 is an apocalyptic number.

91054079 is a deficient number, since it is larger than the sum of its proper divisors (4318561).

91054079 is a wasteful number, since it uses less digits than its factorization.

91054079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 91054079 is about 9542.2261029594. The cubic root of 91054079 is about 449.8832273139.

The spelling of 91054079 in words is "ninety-one million, fifty-four thousand, seventy-nine".