49057111 has 4 divisors (see below), whose sum is σ = 49140432. Its totient is φ = 48973792.

The previous prime is 49057103. The next prime is 49057147. The reversal of 49057111 is 11175094.

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

It is a cyclic number.

It is not a de Polignac number, because 49057111 - 2³ = 49057103 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 49057111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49057181) 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, 40771 + ... + 41956.

It is an arithmetic number, because the mean of its divisors is an integer number (12285108).

Almost surely, 2^49057111 is an apocalyptic number.

49057111 is a deficient number, since it is larger than the sum of its proper divisors (83321).

49057111 is an equidigital number, since it uses as much as digits as its factorization.

49057111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83320.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 49057111 is about 7004.0781691812. The cubic root of 49057111 is about 366.0726835652.

The spelling of 49057111 in words is "forty-nine million, fifty-seven thousand, one hundred eleven".