50494644 has 24 divisors (see below), whose sum is σ = 130912320. Its totient is φ = 16831512.

The previous prime is 50494643. The next prime is 50494681. The reversal of 50494644 is 44649405.

50494644 is a `hidden beast` number, since 5 + 0 + 4 + 9 + 4 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50494599 and 50494608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50494643) 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, 233664 + ... + 233879.

It is an arithmetic number, because the mean of its divisors is an integer number (5454680).

Almost surely, 2^50494644 is an apocalyptic number.

50494644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

50494644 is an abundant number, since it is smaller than the sum of its proper divisors (80417676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50494644 is a wasteful number, since it uses less digits than its factorization.

50494644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467556 (or 467548 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 50494644 is about 7105.9583449384. The cubic root of 50494644 is about 369.6140216472.

The spelling of 50494644 in words is "fifty million, four hundred ninety-four thousand, six hundred forty-four".