50939749 has 8 divisors (see below), whose sum is σ = 58588928. Its totient is φ = 43383600.

The previous prime is 50939729. The next prime is 50939761. The reversal of 50939749 is 94793905.

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 50939749 - 2⁷ = 50939621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50939699 and 50939708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50939719) 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, 22077 + ... + 24274.

It is an arithmetic number, because the mean of its divisors is an integer number (7323616).

Almost surely, 2^50939749 is an apocalyptic number.

It is an amenable number.

50939749 is a deficient number, since it is larger than the sum of its proper divisors (7649179).

50939749 is a wasteful number, since it uses less digits than its factorization.

50939749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46515.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 50939749 is about 7137.2087681390. The cubic root of 50939749 is about 370.6968823851.

The spelling of 50939749 in words is "fifty million, nine hundred thirty-nine thousand, seven hundred forty-nine".