49611791 has 4 divisors (see below), whose sum is σ = 49640232. Its totient is φ = 49583352.

The previous prime is 49611787. The next prime is 49611799. The reversal of 49611791 is 19711694.

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 49611791 - 2² = 49611787 is a prime.

It is a super-2 number, since 2×49611791² = 4922659612455362, 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 (49611799) 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, 11420 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (12410058).

Almost surely, 2^49611791 is an apocalyptic number.

49611791 is a deficient number, since it is larger than the sum of its proper divisors (28441).

49611791 is a wasteful number, since it uses less digits than its factorization.

49611791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28440.

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

The square root of 49611791 is about 7043.5637996685. The cubic root of 49611791 is about 367.4472221244.

The spelling of 49611791 in words is "forty-nine million, six hundred eleven thousand, seven hundred ninety-one".