495560091 has 32 divisors (see below), whose sum is σ = 738400320. Its totient is φ = 293879040.

The previous prime is 495560083. The next prime is 495560101. The reversal of 495560091 is 190065594.

It is not a de Polignac number, because 495560091 - 2³ = 495560083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495560041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950911 + ... + 951431.

It is an arithmetic number, because the mean of its divisors is an integer number (23075010).

Almost surely, 2^495560091 is an apocalyptic number.

495560091 is a deficient number, since it is larger than the sum of its proper divisors (242840229).

495560091 is an equidigital number, since it uses as much as digits as its factorization.

495560091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 495560091 is about 22261.1790119032. The cubic root of 495560091 is about 791.3442322677.

The spelling of 495560091 in words is "four hundred ninety-five million, five hundred sixty thousand, ninety-one".