51597796 has 6 divisors (see below), whose sum is σ = 90296150. Its totient is φ = 25798896.

The previous prime is 51597761. The next prime is 51597817. The reversal of 51597796 is 69779515.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 11655396 = 6320^2 + 3414^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449721 + ... + 6449728.

Almost surely, 2^51597796 is an apocalyptic number.

It is an amenable number.

51597796 is a deficient number, since it is larger than the sum of its proper divisors (38698354).

51597796 is a wasteful number, since it uses less digits than its factorization.

51597796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899453 (or 12899451 counting only the distinct ones).

The product of its digits is 595350, while the sum is 49.

The square root of 51597796 is about 7183.1605857032. The cubic root of 51597796 is about 372.2862963515.

The spelling of 51597796 in words is "fifty-one million, five hundred ninety-seven thousand, seven hundred ninety-six".