49911761 has 4 divisors (see below), whose sum is σ = 50353572. Its totient is φ = 49469952.

The previous prime is 49911751. The next prime is 49911769. The reversal of 49911761 is 16711994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6760000 + 43151761 = 2600^2 + 6569^2 .

It is a cyclic number.

It is not a de Polignac number, because 49911761 - 2¹⁰ = 49910737 is a prime.

It is a super-2 number, since 2×49911761² = 4982367772242242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49911769) 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, 220736 + ... + 220961.

It is an arithmetic number, because the mean of its divisors is an integer number (12588393).

Almost surely, 2^49911761 is an apocalyptic number.

It is an amenable number.

49911761 is a deficient number, since it is larger than the sum of its proper divisors (441811).

49911761 is a wasteful number, since it uses less digits than its factorization.

49911761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441810.

The product of its digits is 13608, while the sum is 38.

The square root of 49911761 is about 7064.8256170977. The cubic root of 49911761 is about 368.1863054161.

The spelling of 49911761 in words is "forty-nine million, nine hundred eleven thousand, seven hundred sixty-one".