50740861 has 4 divisors (see below), whose sum is σ = 50914332. Its totient is φ = 50567392.

The previous prime is 50740847. The next prime is 50740873. The reversal of 50740861 is 16804705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16804705 = 5 ⋅3360941.

It can be written as a sum of positive squares in 2 ways, for example, as 49702500 + 1038361 = 7050^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 50740861 - 2¹⁷ = 50609789 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 (50740561) 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, 86296 + ... + 86881.

It is an arithmetic number, because the mean of its divisors is an integer number (12728583).

Almost surely, 2^50740861 is an apocalyptic number.

It is an amenable number.

50740861 is a deficient number, since it is larger than the sum of its proper divisors (173471).

50740861 is a wasteful number, since it uses less digits than its factorization.

50740861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173470.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 50740861 is about 7123.2619634547. The cubic root of 50740861 is about 370.2138063030.

The spelling of 50740861 in words is "fifty million, seven hundred forty thousand, eight hundred sixty-one".