49629977 has 4 divisors (see below), whose sum is σ = 51230976. Its totient is φ = 48028980.

The previous prime is 49629973. The next prime is 49630037. The reversal of 49629977 is 77992694.

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 49629977 - 2² = 49629973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49629973) 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, 800453 + ... + 800514.

It is an arithmetic number, because the mean of its divisors is an integer number (12807744).

Almost surely, 2^49629977 is an apocalyptic number.

It is an amenable number.

49629977 is a deficient number, since it is larger than the sum of its proper divisors (1600999).

49629977 is a wasteful number, since it uses less digits than its factorization.

49629977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600998.

The product of its digits is 1714608, while the sum is 53.

The square root of 49629977 is about 7044.8546471875. The cubic root of 49629977 is about 367.4921145361.

The spelling of 49629977 in words is "forty-nine million, six hundred twenty-nine thousand, nine hundred seventy-seven".