50987297 has 4 divisors (see below), whose sum is σ = 53204160. Its totient is φ = 48770436.

The previous prime is 50987291. The next prime is 50987303. The reversal of 50987297 is 79278905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50987291) and next prime (50987303).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50987297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50987291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108397 + ... + 1108442.

It is an arithmetic number, because the mean of its divisors is an integer number (13301040).

Almost surely, 2^50987297 is an apocalyptic number.

It is an amenable number.

50987297 is a deficient number, since it is larger than the sum of its proper divisors (2216863).

50987297 is a wasteful number, since it uses less digits than its factorization.

50987297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216862.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 50987297 is about 7140.5389852587. The cubic root of 50987297 is about 370.8121847076.

The spelling of 50987297 in words is "fifty million, nine hundred eighty-seven thousand, two hundred ninety-seven".