91457054 has 12 divisors (see below), whose sum is σ = 148550616. Its totient is φ = 42210792.

The previous prime is 91457033. The next prime is 91457057. The reversal of 91457054 is 45075419.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91457057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134954 + ... + 135629.

It is an arithmetic number, because the mean of its divisors is an integer number (12379218).

Almost surely, 2^91457054 is an apocalyptic number.

91457054 is a deficient number, since it is larger than the sum of its proper divisors (57093562).

91457054 is a wasteful number, since it uses less digits than its factorization.

91457054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270611 (or 270598 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 91457054 is about 9563.3181480070. The cubic root of 91457054 is about 450.5459283725.

The spelling of 91457054 in words is "ninety-one million, four hundred fifty-seven thousand, fifty-four".