49195645 has 4 divisors (see below), whose sum is σ = 59034780. Its totient is φ = 39356512.

The previous prime is 49195631. The next prime is 49195651. The reversal of 49195645 is 54659194.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28164249 + 21031396 = 5307^2 + 4586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49195645 is a prime.

It is a super-2 number, since 2×49195645² = 4840422973932050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919560 + ... + 4919569.

It is an arithmetic number, because the mean of its divisors is an integer number (14758695).

Almost surely, 2^49195645 is an apocalyptic number.

It is an amenable number.

49195645 is a deficient number, since it is larger than the sum of its proper divisors (9839135).

49195645 is an equidigital number, since it uses as much as digits as its factorization.

49195645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9839134.

The product of its digits is 194400, while the sum is 43.

The square root of 49195645 is about 7013.9607213043. The cubic root of 49195645 is about 366.4169479656.

The spelling of 49195645 in words is "forty-nine million, one hundred ninety-five thousand, six hundred forty-five".