91481054 has 8 divisors (see below), whose sum is σ = 156824688. Its totient is φ = 39206160.

The previous prime is 91481017. The next prime is 91481059. The reversal of 91481054 is 45018419.

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

It is a self number, because there is not a number n which added to its sum of digits gives 91481054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91481059) 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, 3267167 + ... + 3267194.

It is an arithmetic number, because the mean of its divisors is an integer number (19603086).

Almost surely, 2^91481054 is an apocalyptic number.

91481054 is a deficient number, since it is larger than the sum of its proper divisors (65343634).

91481054 is a wasteful number, since it uses less digits than its factorization.

91481054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534370.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 91481054 is about 9564.5728603007. The cubic root of 91481054 is about 450.5853354169.

The spelling of 91481054 in words is "ninety-one million, four hundred eighty-one thousand, fifty-four".