91464051 has 16 divisors (see below), whose sum is σ = 140102144. Its totient is φ = 51992064.

The previous prime is 91464049. The next prime is 91464073. The reversal of 91464051 is 15046419.

It is a happy number.

It is not a de Polignac number, because 91464051 - 2¹ = 91464049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91464041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7231 + ... + 15336.

It is an arithmetic number, because the mean of its divisors is an integer number (8756384).

Almost surely, 2^91464051 is an apocalyptic number.

91464051 is a deficient number, since it is larger than the sum of its proper divisors (48638093).

91464051 is a wasteful number, since it uses less digits than its factorization.

91464051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22770.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 91464051 is about 9563.6839659202. The cubic root of 91464051 is about 450.5574178798.

The spelling of 91464051 in words is "ninety-one million, four hundred sixty-four thousand, fifty-one".