51796961 has 4 divisors (see below), whose sum is σ = 52899072. Its totient is φ = 50694852.

The previous prime is 51796957. The next prime is 51796973. The reversal of 51796961 is 16969715.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 51796961 - 2² = 51796957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51796861) 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, 550985 + ... + 551078.

It is an arithmetic number, because the mean of its divisors is an integer number (13224768).

Almost surely, 2^51796961 is an apocalyptic number.

It is an amenable number.

51796961 is a deficient number, since it is larger than the sum of its proper divisors (1102111).

51796961 is a wasteful number, since it uses less digits than its factorization.

51796961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102110.

The product of its digits is 102060, while the sum is 44.

The square root of 51796961 is about 7197.0105599478. The cubic root of 51796961 is about 372.7646837343.

The spelling of 51796961 in words is "fifty-one million, seven hundred ninety-six thousand, nine hundred sixty-one".