49447988 has 6 divisors (see below), whose sum is σ = 86533986. Its totient is φ = 24723992.

The previous prime is 49447973. The next prime is 49448011. The reversal of 49447988 is 88974494.

It can be written as a sum of positive squares in only one way, i.e., 45535504 + 3912484 = 6748^2 + 1978^2 .

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 as a sum of consecutive naturals, namely, 6180995 + ... + 6181002.

It is an arithmetic number, because the mean of its divisors is an integer number (14422331).

Almost surely, 2^49447988 is an apocalyptic number.

It is an amenable number.

49447988 is a deficient number, since it is larger than the sum of its proper divisors (37085998).

49447988 is a wasteful number, since it uses less digits than its factorization.

49447988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362001 (or 12361999 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 49447988 is about 7031.9263363605. The cubic root of 49447988 is about 367.0423766919.

The spelling of 49447988 in words is "forty-nine million, four hundred forty-seven thousand, nine hundred eighty-eight".