48660091 has 4 divisors (see below), whose sum is σ = 48713400. Its totient is φ = 48606784.

The previous prime is 48660061. The next prime is 48660097. The reversal of 48660091 is 19006684.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48660091 - 2¹⁵ = 48627323 is a prime.

It is a super-2 number, since 2×48660091² = 4735608912256562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48660097) 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, 25261 + ... + 27118.

It is an arithmetic number, because the mean of its divisors is an integer number (12178350).

Almost surely, 2^48660091 is an apocalyptic number.

48660091 is a deficient number, since it is larger than the sum of its proper divisors (53309).

48660091 is an equidigital number, since it uses as much as digits as its factorization.

48660091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53308.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 48660091 is about 6975.6785333041. The cubic root of 48660091 is about 365.0824633845.

The spelling of 48660091 in words is "forty-eight million, six hundred sixty thousand, ninety-one".