49319895 has 24 divisors (see below), whose sum is σ = 80137296. Its totient is φ = 25901568.

The previous prime is 49319891. The next prime is 49319917. The reversal of 49319895 is 59891394.

It is not a de Polignac number, because 49319895 - 2² = 49319891 is a prime.

It is a super-2 number, since 2×49319895² = 4864904085622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49319891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79627 + ... + 80243.

It is an arithmetic number, because the mean of its divisors is an integer number (3339054).

Almost surely, 2^49319895 is an apocalyptic number.

49319895 is a deficient number, since it is larger than the sum of its proper divisors (30817401).

49319895 is an equidigital number, since it uses as much as digits as its factorization.

49319895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 698 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 49319895 is about 7022.8124707983. The cubic root of 49319895 is about 366.7251665155.

The spelling of 49319895 in words is "forty-nine million, three hundred nineteen thousand, eight hundred ninety-five".