49961811 has 8 divisors (see below), whose sum is σ = 70121920. Its totient is φ = 31554792.

The previous prime is 49961789. The next prime is 49961843. The reversal of 49961811 is 11816994.

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

It is not a de Polignac number, because 49961811 - 2¹³ = 49953619 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 49961811.

It is not an unprimeable number, because it can be changed into a prime (49961311) 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, 438205 + ... + 438318.

It is an arithmetic number, because the mean of its divisors is an integer number (8765240).

Almost surely, 2^49961811 is an apocalyptic number.

49961811 is a deficient number, since it is larger than the sum of its proper divisors (20160109).

49961811 is a wasteful number, since it uses less digits than its factorization.

49961811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876545.

The product of its digits is 15552, while the sum is 39.

The square root of 49961811 is about 7068.3669259596. The cubic root of 49961811 is about 368.3093329889.

The spelling of 49961811 in words is "forty-nine million, nine hundred sixty-one thousand, eight hundred eleven".