50897973 has 16 divisors (see below), whose sum is σ = 78832256. Its totient is φ = 28607040.

The previous prime is 50897971. The next prime is 50897981. The reversal of 50897973 is 37979805.

Added to its reverse (37979805) it gives a triangular number (88877778 = T₁₃₃₃₂).

It is not a de Polignac number, because 50897973 - 2¹ = 50897971 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 (50897971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18586 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (4927016).

Almost surely, 2^50897973 is an apocalyptic number.

It is an amenable number.

50897973 is a deficient number, since it is larger than the sum of its proper divisors (27934283).

50897973 is a wasteful number, since it uses less digits than its factorization.

50897973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39804.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 50897973 is about 7134.2815335533. The cubic root of 50897973 is about 370.5955177426.

Adding to 50897973 its reverse (37979805), we get a triangular number (88877778 = T₁₃₃₃₂).

The spelling of 50897973 in words is "fifty million, eight hundred ninety-seven thousand, nine hundred seventy-three".