49319808 has 32 divisors (see below), whose sum is σ = 131006760. Its totient is φ = 16439808.

The previous prime is 49319789. The next prime is 49319819. The reversal of 49319808 is 80891394.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×49319808² = 4864886922313728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 49319808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63835 + ... + 64602.

Almost surely, 2^49319808 is an apocalyptic number.

49319808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49319808 is an abundant number, since it is smaller than the sum of its proper divisors (81686952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49319808 is a wasteful number, since it uses less digits than its factorization.

49319808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128454 (or 128442 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 49319808 is about 7022.8062766959. The cubic root of 49319808 is about 366.7249508818.

It can be divided in two parts, 493 and 19808, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 49319808 in words is "forty-nine million, three hundred nineteen thousand, eight hundred eight".