50987697 has 8 divisors (see below), whose sum is σ = 71561760. Its totient is φ = 32202720.

The previous prime is 50987683. The next prime is 50987753. The reversal of 50987697 is 79678905.

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

It is not a de Polignac number, because 50987697 - 2⁴ = 50987681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50987197) 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, 447204 + ... + 447317.

It is an arithmetic number, because the mean of its divisors is an integer number (8945220).

Almost surely, 2^50987697 is an apocalyptic number.

50987697 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

50987697 is a deficient number, since it is larger than the sum of its proper divisors (20574063).

50987697 is a wasteful number, since it uses less digits than its factorization.

50987697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894543.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 50987697 is about 7140.5669942939. The cubic root of 50987697 is about 370.8131543902.

The spelling of 50987697 in words is "fifty million, nine hundred eighty-seven thousand, six hundred ninety-seven".