51603867097 has 24 divisors (see below), whose sum is σ = 54399997440. Its totient is φ = 48892152960.

The previous prime is 51603867089. The next prime is 51603867101. The reversal of 51603867097 is 79076830615.

It is not a de Polignac number, because 51603867097 - 2³ = 51603867089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51603867067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35080072 + ... + 35081542.

It is an arithmetic number, because the mean of its divisors is an integer number (2266666560).

Almost surely, 2^51603867097 is an apocalyptic number.

It is an amenable number.

51603867097 is a deficient number, since it is larger than the sum of its proper divisors (2796130343).

51603867097 is a wasteful number, since it uses less digits than its factorization.

51603867097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 51603867097 in words is "fifty-one billion, six hundred three million, eight hundred sixty-seven thousand, ninety-seven".