49751 has 8 divisors (see below), whose sum is σ = 55440. Its totient is φ = 44352.

The previous prime is 49747. The next prime is 49757. The reversal of 49751 is 15794.

49751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49751 - 2² = 49747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515 + ... + 603.

It is an arithmetic number, because the mean of its divisors is an integer number (6930).

2⁴⁹⁷⁵¹ is an apocalyptic number.

49751 is a deficient number, since it is larger than the sum of its proper divisors (5689).

49751 is a wasteful number, since it uses less digits than its factorization.

49751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its digits is 1260, while the sum is 26.

The square root of 49751 is about 223.0493218999. The cubic root of 49751 is about 36.7790582646.

The spelling of 49751 in words is "forty-nine thousand, seven hundred fifty-one".