49636477 has 4 divisors (see below), whose sum is σ = 54148896. Its totient is φ = 45124060.

The previous prime is 49636471. The next prime is 49636511. The reversal of 49636477 is 77463694.

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-49636477 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 (49636471) 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, 2256193 + ... + 2256214.

It is an arithmetic number, because the mean of its divisors is an integer number (13537224).

Almost surely, 2^49636477 is an apocalyptic number.

It is an amenable number.

49636477 is a deficient number, since it is larger than the sum of its proper divisors (4512419).

49636477 is a wasteful number, since it uses less digits than its factorization.

49636477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512418.

The product of its digits is 762048, while the sum is 46.

The square root of 49636477 is about 7045.3159616869. The cubic root of 49636477 is about 367.5081572225.

The spelling of 49636477 in words is "forty-nine million, six hundred thirty-six thousand, four hundred seventy-seven".