50749647 has 8 divisors (see below), whose sum is σ = 72871344. Its totient is φ = 31230528.

The previous prime is 50749639. The next prime is 50749663. The reversal of 50749647 is 74694705.

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

It is not a de Polignac number, because 50749647 - 2³ = 50749639 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 50749599 and 50749608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50749667) 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, 650598 + ... + 650675.

It is an arithmetic number, because the mean of its divisors is an integer number (9108918).

Almost surely, 2^50749647 is an apocalyptic number.

50749647 is a deficient number, since it is larger than the sum of its proper divisors (22121697).

50749647 is a wasteful number, since it uses less digits than its factorization.

50749647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301289.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 50749647 is about 7123.8786486015. The cubic root of 50749647 is about 370.2351731115.

The spelling of 50749647 in words is "fifty million, seven hundred forty-nine thousand, six hundred forty-seven".