48644749 has 4 divisors (see below), whose sum is σ = 48777664. Its totient is φ = 48511836.

The previous prime is 48644741. The next prime is 48644759. The reversal of 48644749 is 94744684.

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 48644749 - 2³ = 48644741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48644699 and 48644708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48644741) 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, 65907 + ... + 66640.

It is an arithmetic number, because the mean of its divisors is an integer number (12194416).

Almost surely, 2^48644749 is an apocalyptic number.

It is an amenable number.

48644749 is a deficient number, since it is larger than the sum of its proper divisors (132915).

48644749 is a wasteful number, since it uses less digits than its factorization.

48644749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132914.

The product of its digits is 774144, while the sum is 46.

The square root of 48644749 is about 6974.5787686426. The cubic root of 48644749 is about 365.0440905017.

The spelling of 48644749 in words is "forty-eight million, six hundred forty-four thousand, seven hundred forty-nine".