51340964 has 12 divisors (see below), whose sum is σ = 94575600. Its totient is φ = 24319368.

The previous prime is 51340957. The next prime is 51340981. The reversal of 51340964 is 46904315.

51340964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51340964.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337694 + ... + 337845.

It is an arithmetic number, because the mean of its divisors is an integer number (7881300).

Almost surely, 2^51340964 is an apocalyptic number.

It is an amenable number.

51340964 is a deficient number, since it is larger than the sum of its proper divisors (43234636).

51340964 is a wasteful number, since it uses less digits than its factorization.

51340964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675562 (or 675560 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 51340964 is about 7165.2609163938. The cubic root of 51340964 is about 371.6675740715.

The spelling of 51340964 in words is "fifty-one million, three hundred forty thousand, nine hundred sixty-four".