48561749 has 4 divisors (see below), whose sum is σ = 49691136. Its totient is φ = 47432364.

The previous prime is 48561743. The next prime is 48561761. The reversal of 48561749 is 94716584.

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 48561749 - 2⁸ = 48561493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48561743) 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, 564629 + ... + 564714.

It is an arithmetic number, because the mean of its divisors is an integer number (12422784).

Almost surely, 2^48561749 is an apocalyptic number.

It is an amenable number.

48561749 is a deficient number, since it is larger than the sum of its proper divisors (1129387).

48561749 is a wasteful number, since it uses less digits than its factorization.

48561749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129386.

The product of its digits is 241920, while the sum is 44.

The square root of 48561749 is about 6968.6260482250. The cubic root of 48561749 is about 364.8363537378.

The spelling of 48561749 in words is "forty-eight million, five hundred sixty-one thousand, seven hundred forty-nine".