51376967 has 4 divisors (see below), whose sum is σ = 51401880. Its totient is φ = 51352056.

The previous prime is 51376957. The next prime is 51376987. The reversal of 51376967 is 76967315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51376967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51376937) 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, 9053 + ... + 13590.

It is an arithmetic number, because the mean of its divisors is an integer number (12850470).

Almost surely, 2^51376967 is an apocalyptic number.

51376967 is a deficient number, since it is larger than the sum of its proper divisors (24913).

51376967 is a wasteful number, since it uses less digits than its factorization.

51376967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24912.

The product of its digits is 238140, while the sum is 44.

The square root of 51376967 is about 7167.7728061093. The cubic root of 51376967 is about 371.7544314266.

The spelling of 51376967 in words is "fifty-one million, three hundred seventy-six thousand, nine hundred sixty-seven".