49776997 has 4 divisors (see below), whose sum is σ = 49827340. Its totient is φ = 49726656.

The previous prime is 49776989. The next prime is 49777001. The reversal of 49776997 is 79967794.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37344321 + 12432676 = 6111^2 + 3526^2 .

It is a cyclic number.

It is not a de Polignac number, because 49776997 - 2³ = 49776989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49776967) 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, 23658 + ... + 25675.

It is an arithmetic number, because the mean of its divisors is an integer number (12456835).

Almost surely, 2^49776997 is an apocalyptic number.

It is an amenable number.

49776997 is a deficient number, since it is larger than the sum of its proper divisors (50343).

49776997 is a wasteful number, since it uses less digits than its factorization.

49776997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50342.

The product of its digits is 6001128, while the sum is 58.

The square root of 49776997 is about 7055.2814968646. The cubic root of 49776997 is about 367.8546335312.

The spelling of 49776997 in words is "forty-nine million, seven hundred seventy-six thousand, nine hundred ninety-seven".