50647477 has 4 divisors (see below), whose sum is σ = 50673376. Its totient is φ = 50621580.

The previous prime is 50647451. The next prime is 50647481. The reversal of 50647477 is 77474605.

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 50647477 - 2⁷ = 50647349 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 (50647417) 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, 9753 + ... + 14014.

It is an arithmetic number, because the mean of its divisors is an integer number (12668344).

Almost surely, 2^50647477 is an apocalyptic number.

It is an amenable number.

50647477 is a deficient number, since it is larger than the sum of its proper divisors (25899).

50647477 is a wasteful number, since it uses less digits than its factorization.

50647477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25898.

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 50647477 is about 7116.7040826495. The cubic root of 50647477 is about 369.9865517391.

The spelling of 50647477 in words is "fifty million, six hundred forty-seven thousand, four hundred seventy-seven".