50997097 has 4 divisors (see below), whose sum is σ = 52183120. Its totient is φ = 49811076.

The previous prime is 50997073. The next prime is 50997101. The reversal of 50997097 is 79079905.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79079905 = 5 ⋅15815981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50997097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50997497) 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, 592947 + ... + 593032.

It is an arithmetic number, because the mean of its divisors is an integer number (13045780).

Almost surely, 2^50997097 is an apocalyptic number.

It is an amenable number.

50997097 is a deficient number, since it is larger than the sum of its proper divisors (1186023).

50997097 is a wasteful number, since it uses less digits than its factorization.

50997097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186022.

The product of its (nonzero) digits is 178605, while the sum is 46.

The square root of 50997097 is about 7141.2251749962. The cubic root of 50997097 is about 370.8359404718.

The spelling of 50997097 in words is "fifty million, nine hundred ninety-seven thousand, ninety-seven".