50978477 has 8 divisors (see below), whose sum is σ = 57407232. Its totient is φ = 44848800.

The previous prime is 50978467. The next prime is 50978483. The reversal of 50978477 is 77487905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50978477 - 2¹⁸ = 50716333 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 (50978407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74408 + ... + 75089.

It is an arithmetic number, because the mean of its divisors is an integer number (7175904).

Almost surely, 2^50978477 is an apocalyptic number.

It is an amenable number.

50978477 is a deficient number, since it is larger than the sum of its proper divisors (6428755).

50978477 is a wasteful number, since it uses less digits than its factorization.

50978477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149539.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 50978477 is about 7139.9213581103. The cubic root of 50978477 is about 370.7908019171.

The spelling of 50978477 in words is "fifty million, nine hundred seventy-eight thousand, four hundred seventy-seven".