91279054 has 8 divisors (see below), whose sum is σ = 138794400. Its totient is φ = 45014256.

The previous prime is 91279031. The next prime is 91279057. The reversal of 91279054 is 45097219.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91279057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312454 + ... + 312745.

It is an arithmetic number, because the mean of its divisors is an integer number (17349300).

Almost surely, 2^91279054 is an apocalyptic number.

91279054 is a deficient number, since it is larger than the sum of its proper divisors (47515346).

91279054 is a wasteful number, since it uses less digits than its factorization.

91279054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625274.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 91279054 is about 9554.0072221032. The cubic root of 91279054 is about 450.2534440625.

It can be divided in two parts, 9127 and 9054, that added together give a palindrome (18181).

The spelling of 91279054 in words is "ninety-one million, two hundred seventy-nine thousand, fifty-four".