51954793 has 8 divisors (see below), whose sum is σ = 57996576. Its totient is φ = 46132800.

The previous prime is 51954781. The next prime is 51954817. The reversal of 51954793 is 39745915.

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 51954793 - 2⁹ = 51954281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (51954713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54448 + ... + 55393.

It is an arithmetic number, because the mean of its divisors is an integer number (7249572).

Almost surely, 2^51954793 is an apocalyptic number.

It is an amenable number.

51954793 is a deficient number, since it is larger than the sum of its proper divisors (6041783).

51954793 is a wasteful number, since it uses less digits than its factorization.

51954793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109895.

The product of its digits is 170100, while the sum is 43.

The square root of 51954793 is about 7207.9673278949. The cubic root of 51954793 is about 373.1429204554.

The spelling of 51954793 in words is "fifty-one million, nine hundred fifty-four thousand, seven hundred ninety-three".