48988649 has 4 divisors (see below), whose sum is σ = 50568960. Its totient is φ = 47408340.

The previous prime is 48988637. The next prime is 48988657. The reversal of 48988649 is 94688984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48988649 - 2¹⁶ = 48923113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48988594 and 48988603.

It is not an unprimeable number, because it can be changed into a prime (48988699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790109 + ... + 790170.

It is an arithmetic number, because the mean of its divisors is an integer number (12642240).

Almost surely, 2^48988649 is an apocalyptic number.

It is an amenable number.

48988649 is a deficient number, since it is larger than the sum of its proper divisors (1580311).

48988649 is a wasteful number, since it uses less digits than its factorization.

48988649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580310.

The product of its digits is 3981312, while the sum is 56.

The square root of 48988649 is about 6999.1891673250. The cubic root of 48988649 is about 365.9023125078.

The spelling of 48988649 in words is "forty-eight million, nine hundred eighty-eight thousand, six hundred forty-nine".