49806977 has 4 divisors (see below), whose sum is σ = 54334896. Its totient is φ = 45279060.

The previous prime is 49806971. The next prime is 49807003. The reversal of 49806977 is 77960894.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49806977 - 2⁸ = 49806721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49806971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263943 + ... + 2263964.

It is an arithmetic number, because the mean of its divisors is an integer number (13583724).

Almost surely, 2^49806977 is an apocalyptic number.

It is an amenable number.

49806977 is a deficient number, since it is larger than the sum of its proper divisors (4527919).

49806977 is a wasteful number, since it uses less digits than its factorization.

49806977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527918.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 49806977 is about 7057.4058265059. The cubic root of 49806977 is about 367.9284699701.

The spelling of 49806977 in words is "forty-nine million, eight hundred six thousand, nine hundred seventy-seven".