49400977 has 4 divisors (see below), whose sum is σ = 49444336. Its totient is φ = 49357620.

The previous prime is 49400959. The next prime is 49400999. The reversal of 49400977 is 77900494.

49400977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-49400977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49400917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19923 + ... + 22264.

It is an arithmetic number, because the mean of its divisors is an integer number (12361084).

Almost surely, 2^49400977 is an apocalyptic number.

It is an amenable number.

49400977 is a deficient number, since it is larger than the sum of its proper divisors (43359).

49400977 is a wasteful number, since it uses less digits than its factorization.

49400977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43358.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 49400977 is about 7028.5828585854. The cubic root of 49400977 is about 366.9260221075.

The spelling of 49400977 in words is "forty-nine million, four hundred thousand, nine hundred seventy-seven".