51924967 has 4 divisors (see below), whose sum is σ = 54657880. Its totient is φ = 49192056.

The previous prime is 51924947. The next prime is 51924991. The reversal of 51924967 is 76942915.

It is a happy number.

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 51924967 - 2²³ = 43536359 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 (51924947) 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, 1366428 + ... + 1366465.

It is an arithmetic number, because the mean of its divisors is an integer number (13664470).

Almost surely, 2^51924967 is an apocalyptic number.

51924967 is a deficient number, since it is larger than the sum of its proper divisors (2732913).

51924967 is a wasteful number, since it uses less digits than its factorization.

51924967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732912.

The product of its digits is 136080, while the sum is 43.

The square root of 51924967 is about 7205.8980703310. The cubic root of 51924967 is about 373.0715026549.

The spelling of 51924967 in words is "fifty-one million, nine hundred twenty-four thousand, nine hundred sixty-seven".