49966111 has 16 divisors (see below), whose sum is σ = 57534624. Its totient is φ = 42983424.

The previous prime is 49966109. The next prime is 49966127. The reversal of 49966111 is 11166994.

It is a cyclic number.

It is not a de Polignac number, because 49966111 - 2¹ = 49966109 is a prime.

It is a super-2 number, since 2×49966111² = 4993224496928642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49966171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22591 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (3595914).

Almost surely, 2^49966111 is an apocalyptic number.

49966111 is a deficient number, since it is larger than the sum of its proper divisors (7568513).

49966111 is a wasteful number, since it uses less digits than its factorization.

49966111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250.

The product of its digits is 11664, while the sum is 37.

The square root of 49966111 is about 7068.6710915136. The cubic root of 49966111 is about 368.3198989570.

The spelling of 49966111 in words is "forty-nine million, nine hundred sixty-six thousand, one hundred eleven".