51926993 has 8 divisors (see below), whose sum is σ = 55497312. Its totient is φ = 48414016.

The previous prime is 51926989. The next prime is 51926999. The reversal of 51926993 is 39962915.

51926993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51926993 - 2² = 51926989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51926999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12455 + ... + 16092.

It is an arithmetic number, because the mean of its divisors is an integer number (6937164).

Almost surely, 2^51926993 is an apocalyptic number.

It is an amenable number.

51926993 is a deficient number, since it is larger than the sum of its proper divisors (3570319).

51926993 is a wasteful number, since it uses less digits than its factorization.

51926993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28671.

The product of its digits is 131220, while the sum is 44.

The square root of 51926993 is about 7206.0386482450. The cubic root of 51926993 is about 373.0763547397.

The spelling of 51926993 in words is "fifty-one million, nine hundred twenty-six thousand, nine hundred ninety-three".