51352367 has 4 divisors (see below), whose sum is σ = 56020776. Its totient is φ = 46683960.

The previous prime is 51352321. The next prime is 51352381. The reversal of 51352367 is 76325315.

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

It is a cyclic number.

It is not a de Polignac number, because 51352367 - 2⁶ = 51352303 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 (51352387) 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, 2334188 + ... + 2334209.

It is an arithmetic number, because the mean of its divisors is an integer number (14005194).

Almost surely, 2^51352367 is an apocalyptic number.

51352367 is a deficient number, since it is larger than the sum of its proper divisors (4668409).

51352367 is a wasteful number, since it uses less digits than its factorization.

51352367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668408.

The product of its digits is 18900, while the sum is 32.

The square root of 51352367 is about 7166.0565864358. The cubic root of 51352367 is about 371.6950882388.

The spelling of 51352367 in words is "fifty-one million, three hundred fifty-two thousand, three hundred sixty-seven".